A. Lange & Sohne Lange 1 Ref:191.025 Men Watch. 38.5mm Platinum case. Platinum Stationary bezel. Silver dial with Platinum hands and roman numeral hour markers. Date display at the 2 o'clock position. Seconds sub-dial. power reserve indicator. Leather Alligator Strap with Tang-buckle. Will fit up to a 7-inch wrist. Sapphire Crystal, clear case back. Calibre L121.1 Automatic self-winding movement with a 72-hour power reserve. This watch is backed by our two year warranty.