With the rounded octagonal shape of its bezel, the ingenious porthole construction of its case, and its horizontally embossed dial, the Nautilus has epitomized the elegant sports watch since 1976. Forty years later, it comprises a splendid collection of models for men and women. In steel, rose gold, white gold or two-tone combinations they accompany the most active lifestyles with incomparable class.

Black, gold applied hour markers with luminescent coating. Steel. Case diameter (10-4 o'clock): 40.5 mm. Height: 11.3 mm. Screw-down crown. Water-resistant to 120 m. Sapphire crystal case back. Alligator strap with rectangular scales, hand-stitched, matt black. Nautilus fold-over clasp. Annual Calendar. Day, date, month in apertures. Moon phases and 24-hour display. Sweep seconds hand. Moon phases.

Annual Calendar. 24-hour indication. Moon phases. Diameter: 33.3 mm. Thickness: 5.78 mm. Number of parts: 347. Bridges: 10. Jewels: 34. Power reserve: min. 35 hours - max. 45 hours. Winding rotor: 21K gold central rotor. Balance: Gyromax^®. Vibrations/hour: 28 800 (4 Hz). Balance spring: Spiromax^®. Hallmark: Patek Philippe Seal.