U-BOAT Sommerso BRONZE CODE 8486/C 46MM 30ATM

MOVEMENT: 
swiss automatic mechanical, personalized to U-BOAT specifications. Frequency: 28,800 vibrations per hour. Power reserve: 44 hours. 26 jewels.
Skeletonized rotor.

FUNCTIONS: 
date, hours, minutes, seconds, 24h indicator, graduated unidirectional bezel, screw down crown.

CASE: 
bronze, naturally aged, distinguishing crown on the left side, with a patented protective device. Serial number plate fixed on the left side of the case. Diameter 46 mm.

BACK: 
screwed, in bronze with special antiqued anti-corrosion treatment. 

DIAL: 
three superimposed dials, the upper one in black with visible ruby. Luminous beige hands, numbers and markers, treated with superluminova.
Red 24h indicator hand.

CRYSTAL: 
sapphire crystal with anti-reflective coating.

WATER RESISTANCE: 
300 mt, 30 ATM

STRAP: 
hand made and hand finished calf leather, dark brown. Tongue buckle in bronze with special antiqued anti-corrosion treatment. Width: 22/20 mm. 
Strap: ref. 8554/Z Buckle: ref. 8590