Limited edition - 500 pieces. Coming with a patented crown-release system placed at 8 o'clock to facilitate time and date setting.
MOVEMENT: automatic mechanical chronograph processed and modified according to U-BOAT specifics. Custom skeletonized rotor. 28,800 BpH (4 Hz) frequency. 48 hours power reserve. 25 jewels (rubies).
CASE: 46 mm diameter case in naturally aged bronze. Bezel and caseback held together by external ties in the form of specific screws with a custom head type bound to the caseback. An external oversized crown cap, secured at 9 o'clock (crown-securing patented system).
DIAL: dual-layer dial. Upper layer made in matte brown metal. Laser cut numbers, indices and counters; lower layer in sapphire.
CRYSTAL: high-quality dome curved sapphire glass treated with anti-reflective coating.
WATER RESISTANCE: 100mt, 10 ATM.
