Nautilus 5990/1A

Dial Color: Blue

Dial Feature: Sunburst blue with black-gradient rim, horizontally embossed, gold applied hour markers with luminescent coating.

Strap Material: Stainless Steel

Strap Detail: Steel. Patented fold-over clasp with lockable adjustment system.

Calibre Details: 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.

Calibre Diameter: 31 mm

Parts: 370

Movement: Self-winding

Caliber: CH 28-520 C FUS

Calibre Thickness: 6.95 mm

Jewel: 34

Case Details: Steel. Case diameter (10 - 4 o’clock): 40.5 mm. Height: 12.53 mm. Water-resistant to 30 m. Screw-down crown. Sapphire crystal case back.

Case Material: Stainless steel

Case Diameter (Mm): 40.5 mm

Case Height (Mm): 12.53 mm

Crystal Type: sapphire

Power Reserve: 55 hours

Water Resistance: 30 m

Self-winding mechanical movement
Caliber CH 28‑520 C FUS
Flyback chronograph
Central chronograph hand
60-minute counter
Two time zones: local and home timeindication
Day/night indication for local time and home time in apertures
Date coupled with local time by hand

All items are no return exchange or store credit only. Unless defective or otherwise not delivered as listed