U-BOAT Classico 45 TITANIUM TUNGSTEN BLACK REF. 3004 LTD/299

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 black metal with upper with "waffle" pattern. Indexes in low relief and numbers in high relief treated with grey superluminova. Metal hands painted with gray 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.