Ο23
Ref. 6239 "The Ancestor" inside case back stamped 6238
An early, highly rare and very well-preserved ‘First Series’ chronograph wristwatch with ‘Double Swiss Underline’ black dial, tachymeter bezel and bracelet
Circa 1963
36.5mm diameter
Case, dial, movement and bracelet signed
Estimate
CHF100,000 - 200,000
Sold for CHF275,000