U-BOAT Sommerso DLC Black Diver 46MM 30ATM Ref. 9015 Steel Automatic 24H Rubber Strap

MOVEMENT:
swiss automatic mechanical, personalized to U-BOAT specifications. Frequency: 28,800 vibrations per hour, 4 Hz. Power reserve: 38 hours. 25 jewels.
Skeleton balance wheel.

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

CASE:
stainless steel AISI 316L, with subsequent treatment DLC black, 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:
sealed with seven external screws.

DIAL:
three superimposed dials, the upper one in black with luminous beige hands and markers. Numbers with steel brushed frames, filled with beige superluminova.

CRYSTAL:
sapphire crystal with anti-reflective coating, lent on the date window.

WATER RESISTANCE:
300 mt, 30 ATM.

STRAP:
black rubber with lining in water resistance calf leather, stainless steel tongue buckle. Width: 22/22 mm.