International Watch Co. An interesting gold quartz controlled electronic calendar wristwatch

SIGNED IWC, DA VINCI, REF. 3501, CASE NO. 2035067, 1960S

Details

International Watch Co. An interesting gold quartz controlled electronic calendar wristwatch
Signed IWC, Da Vinci, ref. 3501, case no. 2035067, 1960s
With quartz controlled electronic movement, model B21, the textured gold dial with raised baton numerals, date aperture, gold hands, sweep centre seconds with hacking function, in tonneau shaped similarly textured case, protected winder, the back secured by four screws, with integral textured gold bracelet and deployant clasp and associated presentation box, case, dial and movement signed
38 x 35 mm.

Lot Essay

The development of the quartz watch in Switzerland was conducted by the consortium Centre Electronique Horologer, founded in 1960 with IWC as one of the founder members. The Beta 21 was the first production movement launched in 1968 which contains both quartz and tuning fork movements.

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