TECHNICAL DETAILS
MOVEMENT
Swiss automatic mechanical, personalized to U-BOAT specifications for stem to be positioned at 9 o’clock. Skeletonized rotor as by U-BOAT specifications. Frequency: 28,800 vibrations per hour, 4 Hz. Power reserve: 41 hours. 26 jewels.
FUNCTIONS
hours, minutes, seconds, date.
CASE
stainless steel AISI 316L, satin hand finish, distinguishing crown on left side, with a patented protective device. Diameter 47 mm. Serial number engraved on a small platefixed on the side of the case.
BACK
screwed in, fumé glass showing the movement.
DIAL
three superimposed layers, black with visible ruby. Hands, numbers and markers treated with superluminova beige.
CRYSTAL
high quality sapphire with anti reflective treatment.
WATER RESISTANCE
100 mt, 10 ATM
STRAP
laser cut strap handmade from hand-finished calf leather and processed according to traditional artisan techniques to give the strap a naturally distressed look and feel, brown color. Width: 23/22 mm. Strap: ref. 9181/Z. Steel tongue buckle. Buckle: ref. 1763/SCREWS
