This is the A. Lange & Sohne Lange 1 Moonphase watch. It features a features a ~39mm 18K rose gold case, silver dial, and a 18K rose gold bracelet with folding buckle. The catchy silver dial displays hours and minutes in an off-center subdial at 9 o'clock, date in a double-digit display at 1 o'clock, power reserve in a retrograde display at 3 o'clock, and seconds using a subsidiary hand integrated with moon phase indicator at 5 o'clock. The A. Lange & Sohne Grand Lange 1 is powered by a hand winding Lange movement with a decent 72 hours power reserve
