Patek Philippe Nautilus Annual Calendar Moonphase 5726/1A Nautilus The use of grade 5

The use of grade 5 titanium combined with a black PVD treatment lends the whole assembly great rigidity

Diameter (10-4 o’clock): 42

with 2 arms and 4 setting screws

and features a power-reserve indicator

Inspired by the process used to string a tennis racket

Patek Philippe Nautilus Annual Calendar Moonphase 5726/1A Nautilus The use of grade 5Caliber Movement Automatic Caliber movement 324 S QA LU 24H Power reserve 45 h Number of jewels 34 Case Case material Steel Case diameter 40. 5 mm Water resistance 10 ATM Bezel material Steel Crystal Sapphire crystal Dial Blue Dial numerals No numerals Bracelet strap Bracelet material Steel Bracelet color Steel Clasp Fold clasp Clasp material Steel