- Movement
- Self-winding
- Size
- 37 mm
Overview
The 1815 Automatic in a 37 mm case
The A. Lange & Söhne 1815 Automatic, reference 303.025, in a 950 platinum case, 37 mm across and 8.2 mm high, with an argenté dial. Self-winding calibre L921.2 with ZERO-RESET mechanism, 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 L921.2, self-winding, with 307 parts and a reserve of 46 hours; the balance beats at 21,600 semi-oscillations an hour (3.0 Hz). Lange lists a ZERO-RESET mechanism as its function. The case is 8.2 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 L921.2
- Self-winding
- ZERO-RESET mechanism
- 307 parts
- 21,600 semi-oscillations per hour (3.0 Hz)
- Power reserve 46 hours
The reference
Technical specifications
| Reference | 303.025 |
|---|---|
| Collection | 1815 |
| Calibre | L921.2 |
| Movement | Self-winding |
| Functions | ZERO-RESET mechanism |
| Power reserve | 46 hours |
| Frequency | 21,600 semi-oscillations per hour (3.0 Hz) |
| Movement parts | 307 |
| Case dimensions | 37 mm |
| Case height | 8.2 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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