CASE - Burshed and shiny stainless steel case and bezel

this watch doesn’t require a battery — it's driven by the motion of your wrist

Side slits in the bezel allow the color of the inner case to peek through

Pre-set alarm or timer functions remain active

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U-Boat Watch Doppiotempo 45 DLC Red Rehaut Feature_Sapphire Crystal CASE - Burshed and shinyU Boat Swiss Made Ronda 712. 3 Quartz Movement. Lubricated with an Oil Bath. Working between 0 +60C when not worn. 45mm x 15mm 316L Black DLC 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. Double crown on the left side, one for the time adjustment, the other for the