A Lange and Sohne Moonphase Silver Dial Platinum Mens Watch 109.025. Platinum case with a black crocodile leather strap. Fixed 18kt rose gold bezel. Silver dial with silver-tone hands and index hour markers. Roman numerals mark the 3, 6, 9 and 12 o'clock positions. Minute markers around the outer rim. Hand wind movement with a 72-hour power reserve. Lange caliber l901.5 (21,600vph, 398 parts, 54 jewels) engine. Scratch resistant sapphire crystal. Pull / push crown. Transparent case back. Case diameter: 38.5 mm. Case thickness: 10 mm. Round case shape. Band width: 20-16mm. Band length: 8 inches. Tang clasp. Water resistant at 30 meters / 100 feet. Functions: Moon Phase, Big Date, Hour, Minute, Small Second, Power Reserve Indicator. Additional Info: power reserve (up/down) indicator located at the 3 o'clock position. Item Variations: 109 025, 109-025, 109/025, 109025.