Collector's Pocket Watches, Wristwatc...

Geneva, Mar 20, 2003

LOT 263

Hamilton Electric. Production started in 1957.Fine and unusual center-seconds, triangular asymmetrical, 10K yellow gold-filled gentleman's wristwatch with electrically driven balance.

C. two-body, polished, stylized asymmetrical stepped lugs, engraved case back. D. matte silver with applied gold triangular indexes and Arabic numerals. "Dauphine" yellow gold hands. M. Cal. 12 1/2 ''', 12 jewels, 18000 half-swings of the electro dynamically-driven balance per hour, energy source by battery.Dial and case signed.Dim. 45 x 33 mm.This electrical system was patented by Hamilton in the USA in 1954, in England in 1955, and produced since 1957.