15 Oct '15, 4pm

When Rolex Went Quartz: #ATale of the 1970s

When Rolex Went Quartz: #ATale of the 1970s

The Rolex quartz calibers were launched in 1977; product life was an amazing 26 years. Furthermore, Rolex bought 650 pieces of the Beta 22 version produced by Omega; they are known as the Rolex Caliber 5100. In addition, Rolex Bienne was part of the consortium that financed the Neosonic-AFIF adventure with the known, sad end. The functions of Caliber 5035 (29.75 mm by 6.35 mm) were hours, minutes, sweep seconds hand, and date. Instead, the famous Oysterquartz watch models were equipped with the quartz Caliber 5035 and 5055. They sold very well: they were less costly and at least 10 times more accurate than the mechanical Oyster. The quartz resonator’s frequency was adjusted with a trimmer capacitor covering a range of plus or minus two to three seconds per day. The CMOS integrated circuit Rolex needed was supplied by Ébauches Électroniques Marin, while the anchor-type moto...

Full article: http://gorgelicious.net/when-rolex-went-quartz-a-tale-of-...

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