MOVEMENT
mechanical automatic chronograph movement with technical modifications to U-BOAT specifications. Frequency 28,800 vibrations/hour, 4 Hz. Power reserve 62 hours. 25 jewels. Skeletonized rotor. SW 500 Sellita.
FUNCTIONS
hours, minutes, seconds, chronograph function, date, 24-hour indicator, crown cover.
CASE
titanium. Matt tungsten bezel. Crown extraction lever at 8:30. 45 mm diameter.
CASE BACK
titanium. Closed with 7 screws. U-shaped opening with sapphire crystal movement view.
DIAL
three-level blue metal with upper with “waffle” pattern. Indexes in low relief and numbers in high relief treated with black superluminova. Metal hands painted with black superluminova treatment. 24-hour hand in red.
CRYSTAL
sapphire with anti-reflective treatment.
WATER RESISTANCE
100 mt, 10 ATM.
STRAP
in Alcantara rubber with leather lining. Handcrafted in Tuscany by skilled artisans, with a meticulous selection of leathers and materials and entirely Italian workmanship. Stitched with waxed cotton. Width: 22/20 mm. Strap: ref. 3993/22/20/Z. Titanium tongue buckle. Buckle: ref. 5459/screw 20 mm.
| Category | Watches |
| Brand | U-Boat |
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