Authenticity guaranteed
Description
MOVEMENT
Mechanical automatic chronograph Sellita SW 500, elaborated and modified according to U-BOAT specifications. Frequency 28,800 alternations/hour (4 Hz). Power reserve of 62 hours. 25 jewels. U-BOAT rotor in brass and tungsten, perlage processing and rhodium-plated. Screwed bridges.
FUNCTIONS
Hours, minutes, seconds, chronograph, date, 24h indicator. Patented crown release lever, positioned at 8:30 (Crown Release System).
CASE
Made of AISI 316L steel. The closure between the polished tungsten bezel and the caseback is achieved through external lugs linked to the caseback. Special type lug screws with customized key. Large screw-down crown cover to ensure maximum water resistance. Side window in smoked mineral glass. 46 mm diameter.
CASE BACK
Closed with 5 screws screwed to the bezel with smoked mineral glass opening for movement view.
DIAL
Two overlapping levels. Upper part in black painted striped metal dial. Numbers, indexes and counters with laser cutting. Lower part in smoked sapphire. Hour and minute hands in brushed and painted metal with laser cutting. Seconds hand and 24h indicator in brushed and painted metal.
CRYSTAL
High quality optical sapphire crystal with anti-reflective treatment.
WATER RESISTANCE
100 mt, 10 ATM.
STRAP
laser-cut aged leather with natural process, black color. Handmade in Tuscany by expert craftsmen, with careful selection of leathers and materials and entirely Italian processing. Waxed cotton stitching. Width: 22/22 mm. Strap: ref. 9185/Z. Steel tongue buckle. Buckle: ref. 9976.
