The newU-Boat Darkmoon SS watch 8465/Bhas a stainless steel case with a diameter of 44 mm.The watch contains a quartz movement that is completely submerged in an oil bath.The oily liquid that surrounds the dial transforms it into an absolute black, making it three-dimensional and deep.This liquid creates a continuously moving compensation bubble on the dial.The new U-Boat series features a curved red sapphire crystal, screw-down crown, luminescent hands and indexes, vulcanized rubber strap with U-Boat raised logos and the name of the collection, is 5 ATM water resistant and comes with a 2 year worldwide warranty. .