U-42 UNICUM 50 MM

50mm – ref. 8188– $6,200
TECHNICAL DETAILS
MOVEMENT:
automatic mechanical modified and personalized at U-BOAT specifications with stem position at 9 o’clock.
Frequency: 28,800 vibrations per hour, 4 Hz. Power reserve: 38 hours. 25 Jewels.
FUNCTIONS:
hours, minutes, seconds.
CASE:
in titanium, with subsequent treatment of IP opaque Black coating. Crown, pin of the hook, indicators on the bezel, bezel release lever in bronze.
Bidirectional rotating bezel in titanium lockable with a lever on the right side of the case. 12 o’clock ball indicator on the bezel made of ceramic.
50 mm diameter.  Serial number engraved on a small plate fixed on the side of the case.
BACK:
in titanium fixed on case with 6 screws
DIAL:
matt black, markers treated with superluminova (peach color). Baton hands, treated with superluminova.  Precious decoration in silver at 9 o’clock (skull), hand set.
The dial, the case and the hands are refinished by hand using the traditional artisanal techniques. This handmade technique renders each U-BOAT UNICUM, different and one of its kind.
CRYSTAL:
sapphire glass.
WATER RESISTANCE:
300 mt, 30 ATM.
STRAP:
handmade calf leather strap with a “tattoo style” pattern made through  a laser and processed according to traditional artisan techniques to give the strap  a naturally distressed look and feel,  brown color.
Finishes made with waxed cotton.  The incised words are part of an ancient manuscript, a mysterious handwritten letter dated 1572.
Tongue buckle in titanium, with subsequent coating IP opaque black. Width: 23/22 mm.