Innovative steel crown release system (patented) at 8 o’clock for easy time and date setting.
MOVEMENT: automatic mechanical, modified and personalized to U-BOAT specifications for stem position at 9 o’clock. Personalized rotor, in silver 925, built with a base and 3 bridges fixed with blued screws. Frequency: 28,800 vibrations per hour. Power reserve: 38 hours. 25 jewels. FUNCTIONS: hours, minutes, seconds, date and day. CASE: naturally aged bronze, 46 mm diameter. Distinguishing crown on left side, with a patented protective device. The bezel and the back of the case are locked together by external tubing and a customised key that ensures absolute water-proofing. DIAL: two superimposed dials, dark brown, hour and minute laser cut hands, hand brushed on the surface, hand painted central joint. Second hand in bronze color, hand brushed. CRYSTAL: sapphire curved glass on the face, anti reflective treatment and flat on the back of the timepiece, fumé. WATER RESISTANCE: 100 mt, 10 ATM. STRAP: calf leather strap with precious inset in bronze. Hand made and hand finished, hypoallergenic and color retain treatment, tongue buckle in bronze. Width: 20/22 mm, fasten to the case with screws.