- Movement
- Manually wound
- Size
- 39.5 mm
Overview
The 1815 Chronograph in a 39.5 mm case
The A. Lange & Söhne 1815 Chronograph, reference 401.031, in an 18-carat pink gold case, 39.5 mm across and 10.9 mm high, with a black dial. Manually wound calibre L951.0 with chronograph, on a brown alligator leather strap with a pink gold prong buckle.
A. Lange & Söhne no longer makes this reference. This execution has a black dial and a brown alligator leather strap with a pink gold prong buckle.
The movement is calibre L951.0, manually wound, with 320 parts and a reserve of 36 hours; the balance beats at 18,000 semi-oscillations an hour (2.5 Hz). Lange lists the chronograph as its function. The case is 10.9 mm high, water resistant to 3 bar, with a sapphire glass case back. The strap is alligator leather, closed with a prong buckle in the case metal.
Key details
Calibre L951.0
- Manually wound
- Chronograph
- 320 parts
- 18,000 semi-oscillations per hour (2.5 Hz)
- Power reserve 36 hours
The reference
Technical specifications
| Reference | 401.031 |
|---|---|
| Collection | 1815 |
| Calibre | L951.0 |
| Movement | Manually wound |
| Functions | Chronograph |
| Power reserve | 36 hours |
| Frequency | 18,000 semi-oscillations per hour (2.5 Hz) |
| Movement parts | 320 |
| Case dimensions | 39.5 mm |
| Case height | 10.9 mm |
| Case material | 18-carat pink gold |
| Case back | Sapphire glass |
| Water resistance | 3 bar |
| Dial | Black |
| Strap | Brown alligator leather |
| Clasp | 18-carat pink gold prong buckle |
| Status | Discontinued — A. Lange & Söhne no longer makes this reference |
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