
- Movement
- Manually wound
- Size
- 35.9 mm
Overview
The 1815 Up/Down in a 35.9 mm case
The A. Lange & Söhne 1815 Up/Down, reference 221.025, in a 950 platinum case, 35.9 mm across and 7.9 mm high, with an argenté dial. Manually wound calibre L942.1 with power-reserve indicator, on a black alligator leather strap with a platinum prong buckle.
A. Lange & Söhne no longer makes this reference. This execution has an argenté dial and a black alligator leather strap with a platinum prong buckle.
The movement is calibre L942.1, manually wound, with 209 parts and a reserve of 45 hours; the balance beats at 21,600 semi-oscillations an hour (3.0 Hz). Lange lists the power-reserve indicator as its function. The case is 7.9 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 L942.1
- Manually wound
- Power-reserve indicator
- 209 parts
- 21,600 semi-oscillations per hour (3.0 Hz)
- Power reserve 45 hours
The reference
Technical specifications
| Reference | 221.025 |
|---|---|
| Collection | 1815 |
| Calibre | L942.1 |
| Movement | Manually wound |
| Functions | Power-reserve indicator |
| Power reserve | 45 hours |
| Frequency | 21,600 semi-oscillations per hour (3.0 Hz) |
| Movement parts | 209 |
| Case dimensions | 35.9 mm |
| Case height | 7.9 mm |
| Case material | 950 platinum |
| Case back | Sapphire glass |
| Water resistance | 3 bar |
| Dial | Argenté |
| Strap | Black alligator leather |
| Clasp | 950 platinum prong buckle |
| Status | Discontinued — A. Lange & Söhne no longer makes this reference |
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