this watch is suitable for swimming in shallow depths

The sapphire crystal ensures durability

date window and 24-hour sub-dial

and strength combined with a refined style

U-Boat Watch Darkmoon 40 Steel charlotte-olympia this watch is suitable forU Boat Swiss Made Ronda 712. 3 Quartz Movement. Lubricated with an Oil Bath. Working between 0 +60C when not worn. 40mm x 15mm 316L Stainless Steel Case Filled with a special Oil which emphasises and improves legibility on the dial. High Quality Domed Sapphire Crystal Glass with Anti Reflection Treatment. Innovative Locking System with Quick Battery Replacement. Screwed In, 316L Stainless Steel case back Black Dial with Beige Luminova Indexes and