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This article is about smartwatches generally. For the Sony brand, see Sony SmartWatch. For the Microsoft technology, see Smart Personal Objects Technology.
Pebble, a 2013 smartwatch that communicates with the user's phone using Bluetooth
The WIMM One, wearable computer powered by Android.
The Fossil Wrist PDA, running Palm OS.

A smartwatch (or smart watch) is a computerized wristwatch with functionality that is enhanced beyond timekeeping, and is often comparable to a personal digital assistant (PDA) device. While early models can perform basic tasks, such as calculations, translations, and game-playing, modern smartwatches are effectively wearable computers. Many smartwatches run mobile apps, while a smaller number of models run a mobile operating system and function as portable media players, offering playback of FM radio, audio, and video files to the user via a Bluetooth headset. Some smartphone models, (also called watch phones) feature full mobile phone capability, and can make or answer phone calls.[1][2][3]

Such devices may include features such as a camera, accelerometer, thermometer, altimeter, barometer, compass, chronograph, calculator, cell phone, touch screen, GPS navigation, Map display, graphical display, speaker, scheduler, watch, SDcards that are recognized as a mass storage device by a computer, and rechargeable battery. It may communicate with a wireless headset, heads-up display, insulin pump, microphone, modem, or other devices.[citation needed]

Some also have "sport watch" functionality with activity tracker features (also known as "fitness tracker") as seen in GPS watches made for Training, Diving, and Outdoor sports. Functions may include training programs (such as intervals), Lap times, speed display, GPS tracking unit, Route tracking, dive computer, heart rate monitor compatibility, Cadence sensor compatibility, and compatibility with sport transitions (as in triathlons).

Like other computers, a smartwatch may collect information from internal or external sensors. It may control, or retrieve data from, other instruments or computers. It may support wireless technologies like Bluetooth, Wi-Fi, and GPS. However, it is possible a "wristwatch computer" may just serve as a front end for a remote system, as in the case of watches utilizing cellular technology or Wi-Fi.


Early years[edit]

The first digital watch, which debuted in 1972, was the Pulsar manufactured by Hamilton Watch Company. "Pulsar" became a brand name which would later be acquired by Seiko in 1978. In 1982, a Pulsar watch (NL C01) was released which could store 24 digits, making it most likely the first watch with user-programmable memory, or "memorybank" watch.[4] With the introduction of personal computers in the 1980s, Seiko began to develop watches with computing ability. The Data 2000 watch (1983) came with an external keyboard for data-entry. Data was synced from the keyboard to the watch via electro-magnetic coupling (wireless docking). The name stems from its ability to store 2000 characters. The D409 was the first Seiko model with on-board data entry (via a miniature keyboard) and featured a dot matrix display.[5] Its memory was tiny, at only 112 digits.[4] It was released in 1984 in gold, silver and black.[6] These models were followed by many others by Seiko during the 1980s, most notably the "RC Series":

During the 1980s, Casio began to market a successful line of "computer watches", in addition to its calculator watches. Most notable was the Casio data bank series. Novelty "game watches", such as the Nelsonic game watches, were also produced by Casio and other companies.[citation needed]

Seiko RC series[edit]

The RC-1000 Wrist Terminal was the first Seiko model to interface with a computer, and was released in 1984.[5] It was compatible with most of the popular PCs of that time, including Apple II,II+ and IIe, the Commodore 64, IBM PC, NEC 8201, Tandy Color Computer, Model 1000, 1200, 2000 and TRS-80 Model I, III, 4 and 4p.

The RC-20 Wrist Computer was released in 1985 under the joint brand name "Seiko Epson".[7][8] It had a SMC84C00 8-bit Z-80 microprocessor; 8 KB of ROM and 2 KB of RAM. It had applications for scheduling, memos, and world time and a four-function calculator app. The dot-matrix LCD displayed 42×32 pixels, and more importantly, was touch-sensitive. Like the RC-1000, it could be connected to a personal computer, in this case through a proprietary cable. It was also notable in that it could be programmed, although its small display and limited storage severely limited application development.[5]

The RC-4000 PC Data graph also released in 1985, was dubbed the "world's smallest computer terminal".[5] It had 2 KB of storage. The RC-4500 (1985), also known as the Wrist Mac, had the same features as the RC-4000, but came in a variety of bright, flashy colors.

Linux watch[edit]

In June 2000, IBM displayed a prototype for a wristwatch that ran Linux. The original version had only 6 hours of battery life, which was later extended to 12.[9] It featured 8MB of memory and ran Linux 2.2.[10] The device was later upgraded with an accelerometer, vibrating mechanism, and fingerprint sensor. IBM began to collaborate with Citizen Watch Co. to create the "WatchPad". The WatchPad 1.5 features 320 × 240 QVGA display and runs Linux 2.4.[11] It also features calendar software, Bluetooth, 8 MB of RAM and 16 MB of flash memory.[12][13] Citizen was hoping to market the watch to students and businessmen, with a retail price of around $399.[13] However, the project was discontinued sometime around 2001–2002.


Microsoft releases the SPOT smartwatch. SPOT stands for Smart Personal Object Technology, an initiative by Microsoft to personalize household electronics and other everyday gadgets. The watch was supposed to offer information at a glance where other devices would have required more immersion and interaction. The SPOT Watch had a monochrome 90×126 pixel screen.[14]


Consumer device analyst Avi Greengart, from research firm Current Analysis, suggested that 2013 may be the "year of the smartwatch", as "the components have gotten small enough and cheap enough" and many consumers own smartphones that are compatible with a wearable device. Wearable technology, such as Google Glass, may evolve into a business worth US$6 billion annually and a July 2013 media report revealed that the majority of major consumer electronics manufacturers were undertaking work on a smartwatch device at the time of publication. The retail price of a smartwatch could be over US$300, plus data charges, while the minimum cost of smartphone-linked devices may be US$100.[15][16]

As of July 5, 2013, the list of companies that were engaged in smartwatch development activities consists of Acer, Apple, BlackBerry, Foxconn/Hon Hai, Google, LG, Microsoft, Qualcomm, Samsung, Sony, and Toshiba. Some notable omissions from this list include HP, HTC, Lenovo, and Nokia.[16] Science and technology journalist Christopher Mims identified the following points in relation to the future of smartwatches:

Acer's S.T. Liew stated in an interview with British gadget website Pocket-Lint, "... I think every consumer company should be looking at wearable. Wearable isn’t new … it just hasn’t exploded in the way that it should. But the opportunity’s for billions of dollars’ worth of industry."[18]

As of September 4, 2013, three new smartwatches have been launched: the Samsung Galaxy Gear, Sony SmartWatch 2,[19] and the Qualcomm Toq.[20] PHTL, a company based in Dallas, Texas, US, completed is crowd-funding process on the Kickstarter website for its HOT Watch smartwatch in early September 2013. PHTL explained that the purpose of its device is to enable users to leave their handsets in their pockets or bags, as the HOT Watch has a directional speaker for phone calls in both quiet and noisy environments.[21]

In a September 2013 interview, Pebble founder Eric Migicovsky stated that his company was not interested in any acquisition offers,[22] but revealed in a November 2013 interview that his company has sold 190,000 of its smartwatch model, the majority of which were sold after its Kickstarter campaign closed.[17]

Motorola Mobility CEO Dennis Woodside confirmed that his company is working on a smartwatch device at the time of a December 6, 2013 interview.[23] Woodside showed an awareness of the difficulties that other companies have experienced with wrist-wearable technologies and explained:

There’s clearly gonna be something that changes on your wrist, how it works and what exactly it is is something our teams are working on hard. Whatever it is, it has to compete with what works now ... We can’t have something fragile, we can’t have something that needs to be charged everyday. You’re going to have to have some functionality that’s just killer otherwise why spend the money on yet another product.[17]


At the 2014 Consumer Electronics Show a large number of new smartwatches were released from various companies such as Razer Inc,[24] Archos,[25] and several other companies, as well as a few startups. Some have begun to call the 2014 CES a "wrist revolution"[26] because of the amount of smartwatches release and the huge amount of publicity they began to receive at the start of 2014.

At Google I/O on June 25, 2014, the Android Wear platform was introduced and the LG G Watch and Samsung Gear Live were released. In the middle of 2014, the Wear-based Moto 360 is planned to be released.

Features and applications[edit]

As with other sport watches, the GPS tracking unit can be used to record historical data. For example, after the completion of a workout, data can be uploaded onto a computer or online to create a log of exercise activities for analysis. Some smart watches can serve as full GPS navigation devices, displaying maps and current coordinates. Users can "mark" their current location and then edit the entry's name and coordinates, which enables navigation to those new coordinates.

Although most smartwatch models manufactured in the 21st century are completely functional as standalone products, many manufacturers recommend that consumers purchase mobile phone handsets that run the same operating system so that the two devices can be synchronized for additional and enhanced functionality. The watch can work as an extension or remote control of the phone and alert the user to communication data such as calls, SMS messages, emails, and calendar invites.

In popular culture[edit]

The cartoon character Dick Tracy, from the 1940s on, had a two way wrist radio that has been seen as a forerunner of the modern smartwatch.[27]

The 1979 Usborne book Future Cities. Home & Living into the 21st Century by Kenneth Gatland and David Jefferis foresees the invention of "wrist-phones" or "ristos". As well as telling the time, these predicted devices are described as having functions a reader in the 21st century will associate with cellphones and GPS equipment. "City dwellers of tomorrow could have a small gadget of enormous benefit - a wristwatch radio-telephone. With a wristwatch radio, you could talk to anyone, wherever you happened to be ... If you were late for an appointment, it would be easy to let the other people know ... It ought to be impossible to get lost in tomorrow's world, in a city or out of it ... [the wrist-phone can provide] guidance back to the nearest town."

In the 1982 TV series Knight Rider, the lead character, Michael Knight, wore a 2-way communication wrist watch.

In the 1983 cartoon series Inspector Gadget, the protagonist's niece, Penny, wears a device on her wrist known as a "utility watch" that was capable of wireless videoconferencing and she frequently used the device to communicate with her pet dog who was named "Brain".[28]

The 2011 film In Time depicted a future digital display, embedded in the wrist, with storage and processing capabilities for payments, with time as the currency.[citation needed]

List of smartwatches in development[edit]

List of smart watches in production[edit]

Smart watchesCompany
Sony SmartWatch [31]Sony
SmartWatch 2[31]Sony
Qualcomm Toq[20]Qualcomm
Pebble WatchPebble
Wearing Digital WEDA (Slap Band)[32]Wearing Digital
Timex Datalink[33]Timex Group USA
Garmin ForerunnerGarmin
NikeFuelNike, Inc.
WIMM OneWimm Labs
Motorola MotoactvMotorola
MetaWatch StrataMeta Watch, Ltd
Samsung Galaxy Gear[31]Samsung
Samsung Gear 2, Gear Neo, and Gear Fit[34]Samsung
Kreyos MeteorKreyos
GEAK Watch[35] ?
i'm Watchi'm S.p.A
HOT Watch[21] ?
Omate TrueSmartOmate
Z1 Android Watch-Phone ?
Fashion S9110 ?
LG GD910 (limited edition)LG
Hyundai MB 910Hyundai
ANDROID SmartWatch[36] ?
LG G Watch[37]LG
Samsung Gear LiveSamsung

Smart watch comparison[edit]

[1] Smart watch 2[2] Company[3] Clock Display Type[4] Price, $[5] Android[6] iOS[7] Notify Link Loss Alert[8] Notify Missed Call[9] Notify Timer[10] Notify View Content[11] Call Conversation[12] Find My Phone[13] Voice Control[14] Respond to Notifications[15] Notify Sound[16] Notify Backlit Screen[17] Notify Vibration[18] Ambient Light Sensor[19] Gyrometer[20] Magnetometer[21] Multi-touch[22] Accelerometer[23] Water Resistance[24] Screen Size, Inches[25] Screen Resolution, pixels[26] Display Technology[27] Average Battery Life, days[28] Battery Capacity, mAh[29] Battery Technology[30] CPU Type[31] Case Diameter, mm[32] Case Thickness, mm[33] Wrist Band Width, mm[34] Weight (main unit+watchband), g[35] Wristband Options[36] Replaceable Wristbands[37] LED Flashlight[38] Bluetooth[39] NFC[40] Developer Options[41] GPS
PebblePebbleDigital1502.3-4.25-7NoYesYesYesNoNoNoNoNoYesYesYesNoYesNoYes50m (5 atm)1.26144x168Black and White ePaper7140Lithium-ion ?58.41122121White, BlackYesNo ? ?Yes ?
Pebble SteelPebbleDigital2492.3-4.25-7NoYesYesYesNoNoNoNoNoYesYesYesNoYesNoYes50m (5 atm)1.26 ?Black and White ePaper ? ? ? ? ? ? ? ? ?YesNo ? ?Yes ?
HOT Smart WatchPHTLDigital1992.3-4.25-7YesNoNoYesYesYesYesYesYesYesYesNoYesNoYesYesSplash Proof1.26 ?Black and White ePaper3 ? ?Cortex M3 Processor54824.4 ? ?NoYes ? ?Yes ?
[1] SmartWatch 2[2] Sony[3] Digital[4] 199[5] 4.0+No[7] ?[8] ?NoYes[11] ?[12] ?[13] ?[14] ?[15] ?YesYesNo[19] ?NoYesYes[23] Splash Proof[24] 1.6[25] 220x176[26] LCD[27] 4[28] ?[29] ?[30] ?[31] 58.6[32] 9[33] 24[34] 123[35] ?Yes[37] ?[38] 3.0YesYesYes

See also[edit]


  1. ^ Samsung Gear 2 smartwatches coming in April with Tizen OS
  2. ^ Sony SmartWatch 2 review
  3. ^ Garmin's new app turns Sony's Smartwatch 2 into a tiny sat-nav
  4. ^ a b Doensen, Pieter. "Q.5 Watches with Memory and Database". WATCH. History of the modern wrist watch. Pieter Doensen. Retrieved 17 September 2010. 
  5. ^ a b c d "Seiko Computer Watch Fun". Retrieved 17 September 2010. 
  6. ^ "SEIKO D-409". Digital Watch Library. 
  7. ^ Simon Dingle (5 September 2013). "A history of the smart watch and why nobody wants one". Medium. Medium. Retrieved 14 September 2013. 
  8. ^ "History of Smart Watches". Retrieved 13 September 2013. 
  9. ^ Shankland, Stephen (23 March 2001). "IBM clocks in with new Linux watch". Retrieved 15 September 2010. 
  10. ^ "Linux on a Wrist Watch". IBM. Retrieved 15 September 2010. 
  11. ^ "WatchPad 1.5". IBM. Retrieved 15 September 2010. 
  12. ^ Kanellos, Michael (11 October 2001). "Linux watch: Only time will tell". Retrieved 15 September 2010. 
  13. ^ a b Miyake, Kuriko (11 October 2001). "Is That a PC on Your Wrist?". PC World. Retrieved 15 September 2010. 
  14. ^
  15. ^ Agence France-Presse (1 April 2013). "Time is ripe for smart watches, say analysts". NDTV Gadgets. NDTV Convergence Limited. Retrieved 15 July 2013. 
  16. ^ a b Christopher Mims (5 July 2013). "Almost every major consumer electronics manufacturer is now working on a smart watch". Quartz. Retrieved 15 July 2013. 
  17. ^ a b c Christopher Mims (11 July 2013). "What I learned from researching almost every single smart watch that has been rumored or announced". Quartz. Retrieved 15 July 2013. 
  18. ^ Chris Hall (14 June 2013). "Acer: We are looking at wearable, coming in 2014". Pocket-lint. Pocket-lint ltd. Retrieved 15 July 2013. 
  19. ^ Bhushan Akolkar (2013-09-23). "Sony Smart Watch 2 Review- Uber Smart Watch - Uber Smart Watch – Samsung Galaxy Gear – Android Smart Watches – Sony Smart Watches". Uber Smart Watch. Retrieved 2013-10-15. 
  20. ^ a b Charles Arthur (4 September 2013). "Samsung unveils Galaxy Gear as smartwatch race kicks off". The Guardian. Retrieved 8 September 2013. 
  21. ^ a b Christopher Mims (5 September 2013). "HOT Watch is the smart watch Samsung should have built". Quartz. Retrieved 8 September 2013. 
  22. ^ Jordan Crook (15 September 2013). "Pebble’s Eric Migicovsky Is Uninterested In A Potential Acquisition". TechCrunch. AOL Inc. Retrieved 18 September 2013. 
  23. ^ Marques Brownlee (6 December 2013). "MKBHD Hangout with Motorola CEO Dennis Woodside!" (Video upload). YouTube. Google Inc. Retrieved 15 December 2013. 
  24. ^ Drake Johncock. "Razer Nabu Smartwatch". SmartwatchForiPhone. Retrieved 15 January 2014. 
  25. ^ Drake Johncock. "Archos Smartwatch with 3 Options". SmartwatchForiPhone. Retrieved 15 January 2014. 
  26. ^
  27. ^ Steve Woods, "Sony SmartWatch: One Step Closer to Dick Tracy", 12 April 2012
  28. ^ Benjamin Solomon (11 July 2013). "16 Real Modern Technologies Predicted by Inspector Gadget". Vanity Fair. CONDÉ NAST DIGITAL. Retrieved 5 October 2013. 
  29. ^ Charles Arthur (15 July 2013). "Apple reportedly seeking outside expertise to make iWatch". Guardian. Retrieved 16 July 2013. 
  30. ^ Volpe, Joseph (18 March 2014). "This is Motorola's new Android Wear smartwatch: Moto 360". Engadget. Retrieved 26 March 2014. 
  31. ^ a b c Hunter Skipworth; Amie Parker-Williams (6 September 2013). "Samsung Galaxy Gear vs Sony SmartWatch 2 video". Digital Spy. Hearst Magazines UK. Retrieved 8 September 2013. 
  32. ^ Will Schmidt (22 April 2013). "WEARING DIGITAL INTRODUCES AN OPEN PLATFORM SMARTWATCH FOR DEVELOPERS AND STUDENTS". Tech Cocktail. Tech Cocktail, LLC. Retrieved 22 September 2013. 
  33. ^ "Timex Corporation History". Funding Universe. Disqus. 1999. Retrieved 15 July 2013. 
  34. ^ Volpe, Joseph. "Meet Samsung's new smartwatch family: the Gear 2, Neo and Fit". Engadget. AOL Tech. Retrieved 26 February 2014. 
  35. ^ "GEAK Watch – the First Android Smart Watch". Watch Critic. Watch Critic. 24 June 2013. Retrieved 23 July 2013. 
  36. ^ Android Watches (31 October 2013). "ANDROID SmartWatch™ - Debuts December 2013" (Video upload). YouTube. Google, Inc. Retrieved 3 November 2013. 
  37. ^ Molen, Brad (18 March 2014). "LG G Watch to launch next quarter with Android Wear". Engadget. Retrieved 26 March 2014. 
  38. ^ Investors are putting millions into crowdfunding