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A. Lange & Söhne
LANGE 31
Ref. 130.039F
View source- Case size
- 45.9 mm
- Case material
- 18-carat white gold
- Dial
- Grey
- Movement
- L034.1 — Manual
- Power reserve
- 744 h
- Water resistance
- 30 m
- Bracelet / strap
- Dark brown, Alligator leather
- Functions
- Outsize date, power-reserve indicator, constant-force escapement