The A. Lange & Söhne Lange 31
~ Functions: Date - Power Reserve Indicator
~ Case: 45.9mm - Platinum - 15.9mm Thick
~ Water Resistance: 30M
~ Movement (Calibre L034.1): 31-Day Power Reserve - Hand-Wound - 21,600 vph Frequency - 62 Jewels
~ MSRP: £144,600