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  2. Eco-Drive - Wikipedia

    en.wikipedia.org/wiki/Eco-Drive

    Later specialized tool watch designs were introduced like the Promaster Eco-Drive Professional Diver 1000M Titanium BN7020-09E in 2017. This is a very large watch, the titanium watch case has a diameter of 52.2 mm and thickness of 22 mm and features a helium release valve, designed for mixed gas saturation diving at great depths. [6] [7] [8]

  3. Solar-powered watch - Wikipedia

    en.wikipedia.org/wiki/Solar-powered_watch

    Citizen's watches use lithium-ion batteries to store sufficient energy to power the watch for up to five years without light exposure, [3] by allowing the watch to enter a power-saving or hibernation mode during which the seconds hand stops until the watch is re-exposed to light. Not all have a power-save mode, yet will still hold a charge for ...

  4. Automatic watch - Wikipedia

    en.wikipedia.org/wiki/Automatic_watch

    These watches were called jerking watches because, even with buffers, when the weight hit the case the whole watch would jerk. Center-weight The weight pivots in the center of the movement and rotates clockwise and anti-clockwise. The weight is supported by a bridge that blocks the rotation and it is limited to about 180°. [15]

  5. Watch - Wikipedia

    en.wikipedia.org/wiki/Watch

    A modern wristwatch featuring solar charging and Bluetooth capabilities A 1983 Casio watch with touchscreen. A watch is a timepiece carried or worn by a person. It is designed to keep a consistent movement despite the motions caused by the person's activities.

  6. Automatic quartz - Wikipedia

    en.wikipedia.org/wiki/Automatic_quartz

    Automatic quartz is a collective term describing watch movements that combine a self-winding rotor mechanism [1] (as used in automatic mechanical watches) to generate electricity with a piezoelectric quartz crystal as its timing element. Such movements aim to provide the advantages of quartz without the inconvenience and environmental impact of ...

  7. List of Wear OS devices - Wikipedia

    en.wikipedia.org/wiki/List_of_Wear_OS_devices

    Galaxy Watch 6 40 mm Yes 300 mAh Round, 1.31 in (33 mm) Galaxy Watch 6 Classic 47 mm Yes 425 mAh Round, 1.46 in (37 mm) Galaxy Watch 6 Classic 43 mm Yes 300 mAh Round, 1.31 in (33 mm) Galaxy Watch 7 44 mm 2024-07-24 Wear OS 5.0 Android 14 Samsung Exynos W1000: 2 GB Yes 425 mAh Round, 1.46 in (37 mm) IP68 + 5 ATM Galaxy Watch 7 40 mm Yes