Case material: Platinum; Charge: Automatic; Conditions: Never worn Presentation condition : With boxes and all papers; Model: Langematik Perpetual Price on request Gmtbroker Reference: 310.025 A. Lange & Sohne 310.025 Complete Details: A highly complicated yet elegant dress watch. This watch features: Rhodium colored solid silver dial with Applied Roman Numeral Hour Markers. Patented large double window date display located at the top of the dial Small Seconds sub-dial with inset Moonphase window located at the bottom of the dial. Day of week & 24 hour indicator (am/pm) located at the 9 o'clock position sub-dial. Month Indicated by the subdial at the 3 o'clock position - with inset leap year indicator.In addition this watch has a "Zero Reset" seconds hand which resets the seconds hand to zero when you pull out the crown to adjust the time, this makes it extremely easy to synchronize the watch to perfection. Luminous Hands. Date correction can be achieved either by pressing one button which will change all features collectively, or each complication can be corrected independently using recessed corrector buttons. The movement has 43 jewels & beats at 21,600 vph. The movement has an approximate power reserve of 46 hours. Featured Complications: Moonphase This watch is also known as 310025