GMT ± Perpetual
The Perpetual Calendar can be adjusted forward and backward over a single crown. H/M/s/D/DD/M/Y, 2nd time zone on main dial with patented quickset. Permanent home time on 3rd hand. Big date in a double window.
|Case||18 ct white gold|
|Power-reserve||Approx. 45 hours|
|Buckle type||Folding clasp|