U-Boat watch. Capsoil Chrono. Stainless steel case with DLC black treatment. Case filled with a special oil that emphasizes the dial. Sapphire crystal. 45mm case. Black dial with three subdials. Swiss electro-mechanical movement lubricated with oil bath. Personalized to U-Boat specifications. Black vulcanised rubber strap. Tang buckle with DLC treatment. 10 ATM water resistant. Hours, minutes, seconds, chronograph, screw crown.