A. Lange & Sohne Lange 1 Moonphase Lange 1 BrandA. Lange & Sohne CollectionLange 1 ModelLange 1 Moonphase Reference819.048 Country of originSwitzerland Type of watchGents Case diameter36.8 mm Case thickness10 mm Power reserve72 hours Limited to150 pieces Limited editionAutomaticHoursMinutesSecondsDateMoon phaseWristwatch