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Futurematic E502 Porthole. The Futurematic is a self-winding [1] wrist watch without a crown. It was manufactured between 1951 and 1959 by the Swiss watch manufacturer Jaeger-LeCoultre. The Futurematic was the world's first watch without a crown for winding the mainspring, having a flat crown on the back that was used solely for setting the ...
In 1951, the Manufacture released the Futurematic, the first automatic movement that lacked the ability to be hand wound, the calibre 497, Calibre 497 debuted with the Jaeger-LeCoultre Futurematic and was much more advanced than the earlier JLC 476 and JLC 481. It features a larger balance for improved accuracy and hacking seconds.
A Patek Philippe pocket watch. This list of most expensive watches sold at auction documents the watches sold at auction worldwide for at least 1.5 million US dollars.The final price listed is the total price paid by the buyer converted to US dollars, according to the currency exchange rate at the time of auction.
This list is a duplicate of Category:Watch brands, which will likely be more up-to-date and complete. Manufacturers that are named after the founder are sorted by surname. Manufacturers that are named after the founder are sorted by surname.
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.
Eterna, detail Eterna-Matic, Cal. 1414U, 1958. Eterna is a Swiss watch company founded in Grenchen, Canton Solothurn, on 7 November 1856 by Josef Girard and Urs Schild. [1] The company is now owned by Hong Kong–based Citychamp Watch & Jewellery Group Limited, an investment holding company formerly known as China Haidian Holdings.