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Thomas Mudge, inventor of the lever escapement. The lever escapement, invented by Thomas Mudge in 1754 [18] and improved by Josiah Emery in 1785, gradually came into use from about 1800 onwards, chiefly in Britain; it was also adopted by Abraham-Louis Breguet, but Swiss watchmakers (who by now were the chief suppliers of watches to most of Europe) mostly adhered to the cylinder until the 1860s.
The first digital watch was the Pulsar, introduced by the Hamilton Watch Company in 1972. The "Pulsar" became a brand name, and would later be acquired by Seiko in 1978. In 1982, a Pulsar watch (NL C01) was released which could store 24 digits, likely making it the first watch with user-programmable memory, or the first "memorybank" watch.
It was founded in 1946, and in 1957 introduced the first entirely compact electronic calculator. It was an early digital camera innovator, and during the 1980s and 1990s, the company developed numerous affordable home electronic keyboards for musicians along with introducing the first mass-produced digital watches.
The first self-winding mechanism was invented for pocket watches in 1770 by Abraham-Louis Perrelet, [62] but the first "self-winding", or "automatic", wristwatch was the invention of a British watch repairer named John Harwood in 1923. This type of watch winds itself without requiring any special action by the wearer.
He helped develop components of one of the world's first digital watches [1] and an early wireless heart monitor. Petroff founded Care Electronics, Inc. which was acquired by Electro-Data, Inc. of Garland, Texas in autumn 1971. Petroff Point on Brabant Island in Antarctica is named for Petroff. [2]
Casio CD-401, one of the first Data Bank watches from 1983 A Casio DBC-610 Databank calculator watch Casio DBA-800 Databank, the world's first phone dialer watch. Casio Databank (often styled as CASIO DATA BANK) is a series of digital watches and electronic personal organizers manufactured by Casio. The watches allow data storage for names and ...
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
Georges Louis Ruedin (1870–1935), Swiss watch producer, Berner Jura, director of the Société Horlogère Reconvilier. Jens Olsen (1872–1945), Danish clockmaker, Ribe, astronomical world clock in Copenhagen. Jämes Pellaton (1873–1954), Swiss watchmaker, Le Locle, tourbillon. Louis Cartier (1875–1942), French watchmaker, Paris, Cartier ...