113,500 CHF
"Montre bracelet rectangulaire à quantième" 18K white gold astronomie gentleman's wristwatch with date and jumping digital day of the week Prototype, London, 1951 Notes This is the only known piece to exist, as it was the prototype for this model, made in London in 1950, and as far as we know, no other pieces were ever made in white gold.
Auctioneer:
Antiquorum
Date:
1996-11-19