Patek Philippe Nautilus Flyback Chronograph Travel Time 40.5mm | 5990/1R-001

Case:Rose gold.Diameter (10 - 4 o’clock): 40.5 mm.Thickness: 12.53 mm.Screw-down crown.Sapphire crystal case back.Water-resistant to 120 meters. Dial:Sunburst blue.Gold applied hour markers with luminescent coating. Movement:Self-winding mechanical.Calibre CH 28‑520 C FUS.Flyback chronograph.Central chronograph hand. 60-minute counter.Two time zones: local and home time indication.Day/night indication for local time and home time in apertures.Date coupled with local time by hand.Diameter: 31 mm.Thickness: 6.95 mm.Number of parts: 370.Jewels: 34.Power reserve: min. 45 hours - max. 55 hours.Winding rotor: 21K gold central rotor.Balance: Gyromax®.Frequency: 28.800 semi-oscillations per hour (4 Hz).Balance spring: Spiromax®.Hallmark: Patek Philippe Seal. Bracelet:Rose gold.Patented fold-over clasp with lockable adjustment system. Material Case material: Rose gold Bracelet material: Rose gold Bezel material: Rose gold Clasp material: Rose gold Functions Hours, minutes,