An everyday complication
Recognizable by its three day-date-month apertures arranged along the arc of a circle, the self-winding Annual Calendar Reference 5205 features an elegant two-tone blue sunburst dial with black-gradient rim on this white gold version. An understated, dynamic, contemporary style for this complete calendar requiring only one correction per year, at the end of February.
Dial
Sunburst blue with black-gradient rim, white gold applied faceted baton-style hour markers. White gold faceted dauphine-style hands with white luminescent coating.
Case
White gold. Skeletonized lugs. Diameter: 40 mm. Thickness: 11.36 mm. Water-resistant to 30m. Sapphire crystal case back.
Strap
Alligator leather with square scales, hand-stitched, shiny black. White gold prong buckle.
Movement
26-330 S QA LU 24H
Self-winding
Annual Calendar
Day, date and month in apertures
Moon phases
24-hour indication
Sweep seconds
Diameter: 32.6 mm. Thickness: 5.8 mm. Number of parts: 339. Number of jewels: 34. Power reserve: min. 35 hours – max. 45 hours. Winding rotor: 21K gold central rotor. Balance: Gyromax®. Frequency: 28,800 semi-oscillations/hour (4 Hz). Balance spring: Spiromax®. Distinctive sign: Patek Philippe Seal.