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2. Seiko - Wikipedia

   en.wikipedia.org/wiki/Seiko

   In 1978, Seiko introduced the world's first quartz diver's watch with a water resistance of 600 meters; in 1982, the world's first wristwatch with a television; in 1983, the world's first wristwatch with a record-and-play function and an analog quartz chronograph; in 1984, the world's first wristwatch computer; and in 1986, the world's first ...

3. 24-hour analog dial - Wikipedia

   en.wikipedia.org/wiki/24-hour_analog_dial

   Twenty-four-hour analog clocks and watches are used today by logistics workers, fire fighters, police officers, paramedics, nurses, pilots, [1] scientists, [2] and the military, [3] and are sometimes preferred because of the unambiguous representation of a whole day at a time. Note that this definition refers to the use of a complete circular ...

4. Chronograph - Wikipedia

   en.wikipedia.org/wiki/Chronograph

   A chronograph is a specific type of watch that is used as a stopwatch combined with a display watch. A basic chronograph has hour and minute hands on the main dial to tell the time, a small seconds hand to tell that the watch is running, and a seconds hand on the main dial usually equipped with a sweeping movement for precision accompanied by a ...

5. Pulsar (watch) - Wikipedia

   en.wikipedia.org/wiki/Pulsar_(watch)

   A modern analog Pulsar watch. Pulsar is a watch brand and currently a Seiko Watch Corporation of America (SCA) division. Pulsar was the world's first electronic digital watch. Current Pulsar watches are mostly analog and use the same movements in Seikos such as the 7T62 quartz chronograph movemen

6. Omega Speedmaster - Wikipedia

   en.wikipedia.org/wiki/Omega_Speedmaster

   Omega cal. 321 movement. The Speedmaster was not originally designed for space exploration. Instead, it was introduced in 1957 as a sport and racing chronograph following on from the early chronographs of the 1920s and 1930s, including the Omega 28.9 chronograph, which was Omega's first small wrist chronograph, complementing Omega's position as the official timekeeper for the Olympic Games.

7. Automatic quartz - Wikipedia

   en.wikipedia.org/wiki/Automatic_quartz

   Kinetic technology has also been used in some of Seiko's Pulsar and Lorus watches. As of 2007, Seiko has sold more than eight million automatic quartz watches. [2] The different calibres of Kinetic watches currently are relatively large and heavy, weighing in at 1/3 of a pound (150 grams) or more on many models.

8. Chronometer watch - Wikipedia

   en.wikipedia.org/wiki/Chronometer_watch

   According to COSC, an officially-certified chronometer is a high-precision watch capable of displaying the seconds and housing a movement that has been tested over several days, in different positions, and at different temperatures, by an official, neutral body (COSC).

9. Spring Drive - Wikipedia

   en.wikipedia.org/wiki/Spring_Drive

   The Spring Drive uses a conventional mainspring [3] and barrel [4] along with automatic and/or stem winding to store energy, just as in a mechanical watch. [3] However, the escapement and balance wheel in mechanical watches is replaced by Seiko's Tri-synchro Regulator system, a phase-locked loop wherein a rotor, which Seiko refers to as a "glide wheel", is powered by the mainspring barrel via ...