863
Ferdinand Berthoud
Ref. FB1.3-1
Model: Chronometer FB1 Sapphire Blue
A highly impressive, innovative and rare limited edition platinum and grey ceramic chronometer wristwatch with 1-minute tourbillon escapement, fusée-and-chain transmission, constant force regulation, power reserve indication, certificate and presentation box, numbered 1 of a limited edition of 5 pieces
Estimate HK$510,000 - 1,020,000
Sold for HK$2,268,000