31
Ref. 6240 "The Oyster Alpina" inside case back stamped 6239
A highly rare, early and fascinating stainless steel chronograph wristwatch with silvered dial displaying reverse configuration, tachymeter bezel and bracelet.
Circa 1965
37.5mm diameter
Case, dial, movement and bracelet signed
Estimate
CHF150,000 - 300,000
Sold for CHF348,500