Sleek and captivating the U‑Boat Darkmoon 40mm BK Black Curved PVD blends Italian design flair with innovative oil-immersion technology to create a mesmerizing all-black wrist presence. The dial appears to float with exceptional depth beneath a curved sapphire crystal while the left-side crown and protective guard add U-Boat’s signature bold character. This minimalist yet striking watch is perfect for those who want technical sophistication paired with modern style.

Case 40 mm black PVD stainless steel with oil immersion enhancing dial depth
Movement Swiss quartz Ronda 762 lubricated in oil for stable performance
Functions Hours and minutes with screw-down crown
Dial Curved black metal dial with gray Super-LumiNova treated markers and hands
Crystal Curved sapphire crystal for scratch resistance
Strap Black ultra-resistant vulcanised rubber with PVD steel buckle
Water Resistance 50 m 5 ATM

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.