4947/1A-001
ANNUAL CALENDAR. MOON PHASES.
An Annual Calendar with a metal bracelet
Patek Philippe offers its famous Annual Calendar in a 38 mm-diameter steel case to suit all wrists, paired with an integrated five-row bracelet. The shimmer of polished steel blends with an elegant midnight blue dial enhanced by vertical and horizontal satin-brushing. The day/date/month calendar requires only one manual correction per year.







Technical characteristics
dial
White gold leaf-shaped hands with white luminescent coating.
case
Steel
Diameter: 38 mm
Thickness: 11 mm
Water-resistant to 30m
Sapphire crystal caseback
movement
Self-winding
Annual Calendar
Day and month by hands
Date in an aperture
Moon phases
Sweep seconds
Diameter: 32 mm
Thickness: 5.32 mm
Number of parts: 319
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


strap
Steel. Steel fold-over clasp.
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