U-Boat Darkmoon Curve watch in 40mm with black strap and dial. The watch's anti-reflective sapphire crystal and silicone strap make this watch a symbol of comfort and luxury. The watch has a water resistance capacity of up to 10 meters deep. This U-Boat Darkmoon Curve men's watch is the perfect accessory for those who are looking for the combination of fashion, durability and comfort.