42
Ref. 1665
An early and very rare stainless steel automatic wristwatch with date aperture, center seconds, bracelet, gas escape valve, “double red” Mk1 dial, and patent pending case.
1968
Case, dial, movement, and bracelet signed, outer case back signed ‘Patent Pending’
39.5mm Diameter
Estimate
$80,000 - 160,000
CHF77,900-156,000
€68,200-136,000
HK$625,000-1,250,000
Sold for $143,750