Σ60
An extremely important and early “pre-souscription” chronometer wristwatch numbered 57/00R with double escapement, power reserve indicator, early "shiny" dial, shallow engravings, certificate of origin and presentation box
2000
38mm Diameter
Case, dial, movement and buckle signed
Estimate
CHF400,000 - 800,000
€409,000-818,000
$437,000-875,000
Sold for CHF571,500