The ultra-thin self-winding Ladies First Perpetual Calendar is now available in a new white-gold model that complements the rose-gold version. The diamond-set bezel deflects the light on a silvery sunburst dial with applied numerals and minute pearls in gold. A Grand Complication with incomparable feminine appeal.

Watch
Ultra-thin mechanical self-winding movement. 
Caliber : 240 Q. 
Dial : Silvery sunburst dial, gold applied numerals and minute scale.
Case : White gold. 
Case diameter: 35.1 mm. 
Thickness: 8.7 mm. 
Water resistant to 30 m. 
Sapphire crystal case back.
Gemsetting : Bezel set with 68 diamonds (~0.68 ct). 
Prong buckle set with 27 diamonds (~0.2 ct).
Strap : Alligator straps with square scales, hand-stitched, shiny gray (originally fitted) or shiny turquoise green (additional strap), prong buckle set with 27 diamonds (~0.2 ct).
Perpetual calendar. 
Day, date, month, leap year and 24-hour indication by hands. 
Moon phases. 
Diameter: 27.5 mm. 
Thickness: 3.88 mm. 
Number of parts: 275. 
Bridges: 8. 
Jewels: 27. 
Winding rotor: 22K gold off-center minirotor. 
Frequency: 21’600 semi-oscillations/hour (3 Hz). 
Power reserve: min. 38 hours, max. 48 hours. 
Balance: Gyromax®. 
Balance spring: Spiromax®. 
Hallmark: Patek Philippe Seal.