Description
MOVEMENT
Sellita SW 500 mechanical automatic chronograph, with technical modifications to U-BOAT specifications. Frequency 28,800 vibrations/hour, 4 Hz. Power reserve 62 hours. 25 jewels. Skeletonized rotor.
FUNCTIONS
Hours, minutes, seconds, chronograph function, date, 24-hour indicator, crown cover.
CASE
AISI 316L steel. Polished tungsten bezel. Crown extraction lever at 8:30. 45 mm diameter.
CASE BACK
Steel, closed with 7 screws. U-shaped opening with sapphire crystal movement view.
DIAL
Three-level black metal. Indexes and numerals treated with beige superluminova. Metal hands painted with beige superluminova treatment. 24-hour hand in red.
CRYSTAL
High-quality sapphire with anti-reflective treatment.
WATER-RESISTANCE
100 mt, 10 ATM.
STRAP
Lasered leather aged with natural process, dark brown color. Handcrafted in Tuscany by skilled artisans, with a careful selection of leather and materials, and entirely made in Italy. Waxed cotton stitching. Width: 20/20 mm. Strap: ref. 9573/Z. Steel tongue buckle. Buckle: ref. 4879.