【Overview】 This is a Sinn U2 (EZM5). The romance and peace of mind of 2000m water resistance are superb. Please consider it. 【Condition】 Overhauled at an authorized dealer at the end of 2024, including movement disassembly, cleaning, assembly, oiling, and function checks. - Exterior cleaning and function check of the case, etc. - Protective gas filling - Dry capsule replacement - Crown replacement - Tube replacement Completed. 【From the manufacturer's website】 U2 (EZM5) The U2 diver's watch is a mission timer with a second time zone display, using U-boat steel, the steel of German submarines, which has extreme seawater resistance and the highest level of non-magnetism. The use of Sinn special oil 66-228 guarantees operation in a temperature range of -45°C to +80°C. Furthermore, it is equipped with a rotating bezel with a special coupling method that does not come off even with strong impacts, with a high-hardness Tegiment treatment. The Ar-Dehumidifying Technology keeps the movement almost dry, and this technology prevents the sapphire crystal from fogging up even with sudden and rapid temperature changes. The U2 is a professional diver's watch packed with Sinn's unique technology and boasting 2,000m water resistance. 【Movement】 SW330-1 (Automatic / 25 jewels / 28,800 vibrations) Special oil 66-228 (Accuracy guaranteed from -45°C to +80°C) Power reserve: Approximately 42 hours Magnetic resistance: 4,800A/m (DIN8309 compliant) 【Functions】 Hours, minutes, seconds (center seconds) 24-hour UTC (dual time) function Date display 【Case & Belt】 Case: U-boat steel Belt: Silicone strap Windshield: Double-sided anti-reflective sapphire crystal Unidirectional rotating bezel with special coupling method (Tegiment treatment) Crown: Screw-down Back cover: U-boat steel, screw-down Water resistance: 200 bar Decompression resistance Ar-Dehumidifying Technology 【Size & Weight】 Case size: Diameter 44mm x Thickness 15.5mm Weight: 114g (excluding belt) Belt width: 22mm 【Other】 Certified by DNV (formerly Germanischer Lloyd) Silicone strap specification: Tax-included price ¥748,000 Accessories... Box, warranty, booklet Operation... Good Scratches/cracks... None