The 45mm steel case houses state-of-the-art electromechanics, enriched with chronograph functions, completely immersed in an oil bath. This technological solution not only ensures greater durability and precision over time but also lends an extraordinary aesthetic to the dial.

Case Diameter: 45 mm
Case Material: AISI 316L stainless steel with black DLC coating
Case Design: Oil-filled with visible air compensation bubble
Crystal: Curved sapphire crystal
Movement: Swiss electro-mechanical quartz, customized for U-Boat
Functions: Hours, minutes, seconds, chronograph
Dial: Black, double-layered with beige Super-LumiNova hands and indexes
Crown: Screw-down, positioned on the left
Caseback: Screw-down with Locking Ring System and engraved serial number
Water Resistance: 10 ATM / 100 meters
Strap: Black vulcanized rubber, 22/20 mm width
Buckle: DLC-coated stainless steel tongue buckle

Watch Care Instructions:

Clean regularly with a soft, dry cloth.

Avoid contact with chemicals, solvents, or perfumes.

Keep away from extreme temperatures and magnetic fields.

Ensure the crown is fully pushed in or screwed down before exposure to water.

Store in a dry, cool place or in a watch box when not in use.