IW502303

Portuguese Perpetual Calendar

Movement
mechanical self-winding Pellaton type, Calibre 51613. Power reserve: 168 hours.
Features
hours, minutes, small seconds with stop-seconds device at 9 o’clock. Perpetual calendar with perpetual moon-phase indications. Four-digit year display at 8 o’clock. Power-reserve indication at 3 o’clock. Breguet overcoil balance-spring.
Housing
18K white gold. Diameter: 44.20 mm. Sapphire crystal and case-back. Water-resistant to 3 bars.
Dial
slate grey.
Bracelet
alligator leather with folding clasp.
Portuguese Perpetual Calendar - IWC Watch