TECHNICAL DETAILS
MOVEMENT:
swiss automatic mechanical chronograph, personalized to U-BOAT specifications. Skeletonized rotor.
Frequency: 28,800 vibrations per hour. Power reserve: 48 hours. 25 Jewels.
FUNCTIONS:
hours, minutes, seconds, chronograph, date, 24h indicator, bidirectional bezel 24h graduated, crown release lever.
CASE:
stainless steel AISI 316L, satin hand finish, distinguishing crown on left side, with a patented protective device. Diameter 46 mm.
Serial number engraved on a small plate fixed on the right side of the case. Bezel lockable with a lever on the right side of the case.
BACK:
sealed with 7 external screws, small window U-shaped with fumé sapphire showing the movement.
DIAL:
three superimposed dials, black. Hands treated with white superluminova. Numbers and indexes with steel brushed frames and filled with white superluminova.
CRYSTAL:
high quality sapphire with anti-reflective treatment.
WATER RESISTANCE:
100 mt, 10 ATM.
STRAP:
handmade and hand finished calf leather, black, with water resistance lining, tongue buckle in steel. Width: 22/22 mm.
Strap: ref. 7935/Z  Buckle: ref. 1763/SCREWS
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