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The first digital watch was the Pulsar, introduced by Hamilton Watch Company in 1972. "Pulsar" became a brand name that 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.
The hand-winding movement of a Russian watch. A mechanical watch is a watch that uses a clockwork mechanism to measure the passage of time, as opposed to quartz watches which function using the vibration modes of a piezoelectric quartz tuning fork, or radio watches, which are quartz watches synchronized to an atomic clock via radio waves.
The face was not covered with glass, but usually had a hinged brass cover, often decoratively pierced with grillwork so the time could be read without opening. The movement was made of iron or steel and held together with tapered pins and wedges, until screws began to be used after 1550. Many of the movements included striking or alarm ...
Tachymeter scale on a Citizen watch bezel. A tachymeter (pronounced / t æ ˈ k ɪ m ə t ər /) is a scale sometimes inscribed around the rim of an analog watch with a chronograph.It can be used to conveniently compute the frequency in inverse-hours of an event of a known second-defined period, such as speed (distance over hours) based on travel time (distance over speed), or measure distance ...
Amazon Go is a chain of convenience stores in the United States and the United Kingdom, operated by the online retailer Amazon.The stores are cashierless, thus partially automated (having an added option in some locations to manually checkout if desired), with customers having the ability to purchase products without being checked out by a cashier or using a self-checkout station.
Montre mystérieuse (mystery watch), circa 1889, Musée d'Horlogerie of Le Locle, Switzerland.It is the first transparent watch. A mystery watch or mystery clock, in horology, is a timepiece whose working is not easily deducible, because it seems to have no movement at all, or the hands do not seem to be connected to any movement.
[citation needed] It did not have a conventional stem winder, so the hands were moved manually by rotating a bezel around the face of the watch. The watches were first produced with the help of Swiss watch manufacturer Fortis and went on sale in 1928.
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