U-Boat Classico 45mm Tungsteno chronograph stainless steel brown leather beige background automatic.

Wearing a Classic Tungsten Chronograph is more than an aesthetic gesture; it is an emotional commitment to timeless beauty and uncompromising resilience. It is a companion that bears witness to our story, marking extraordinary moments and celebrating our unique and irreplaceable existence.

TECHNICAL DETAILS

MOVEMENT

Sellita SW 500 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.

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 beige metal. Indexes and numbers treated with black superluminova. Painted metal hands with black superluminova treatment. Red 24-hour hand.

CRYSTAL

high-quality sapphire with anti-reflective treatment.

WATER RESISTANCE

100 mt, 10 ATM.

STRAP

lasered leather aged with natural process, cognac color. Handcrafted in Tuscany by skilled artisans, with a careful selection of leather and materials, and entirely made in Italy. Waxed cotton stitches. Width: 20/20 mm. Strap: ref. 9691/Z. Steel tongue buckle. Buckle: ref. 4879.