PATEK PHILIPPE AQUANAUT REF. 5167А-001 DATE, SWEEP SECONDS - SELF-WINDING CALIBER 26‑330 S C

5167A - AQUANAUT 
SELF-WINDING
When launched in 1997, the Aquanaut created a sensation. It was young, modern and unexpected. Its case was a rounded octagon, inspired by that of the Nautilus. And it sported a "tropical" strap, made of a new composite material ultra-resistant to wear, salt water and uv radiation.

Black embossed dial. Stainless steel. Case diameter (10-4 o'clock): 40.8 mm. Height: 8.1 mm. Screw down crown. Water-resistant to 120 m. Sapphire crystal case back. "Tropical" composite black strap. Fold-over clasp. Date. Sweep seconds. Gold applied numerals.

CALIBER 

26-330 S C 
SELF-WINDING
Date in an aperture. Sweep seconds. Diameter: 27 mm. Thickness: 3.3 mm. Number of parts: 212. Jewels: 30. 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®. Hallmark: Patek Philippe Seal.