TECHNICAL DETAILS
Innovative steel crown release system (patented) at 8 o’clock for easy time setting  
 
MOVEMENT:
special Squelette automatic chronograph, modified to U-BOAT specifications. Personalised silver 925 rotor consisting of a base and three bridges fixed with blue screws.
Frequency: 28,800 vibrations per hour, 4 Hz. Power reserve: 48 hours. 25 jewels
 
FUNCTIONS:
hours, minutes, seconds, chronograph, 24h indicator.
 
CASE:
grade 5 titanium case, 46 mm diameter. Distinctive crown on left side with patented protection device. The bezel and case back are locked together by external tubing and a customised key that ensures total waterproofing. Oversized crown cap for easy handling, in a protected position at 9 o’clock. A small window on the side reveals the movement inside.
 
DIAL:
skeleton dial on three layers.
 
HANDS:
laser cut hour and minute hands. Hands treated with white superluminova. Hand of 24h indicator in red colour.
 
CRYSTAL:
high quality curved sapphire glass on the face, with anti reflective treatment and flat on the back of the timepiece.
 
WATER RESISTANCE:
100 mt, 10 ATM.
 
STRAP:
hand made and hand finished alligator leather, hypoallergenic and color retain treatment. Titanium tongue buckle. Width: 20/22 mm.
Strap: ref. 4875/Z    Buckle: ref. 4881