- Movement
- Manually wound
- Size
- 40.5 mm
Overview
The Richard Lange “Referenzuhr” in a 40.5 mm case
The A. Lange & Söhne Richard Lange “Referenzuhr”, reference 250.025, in a 950 platinum case, 40.5 mm across and 11.2 mm high, with a rhodié dial. Manually wound calibre L033.1 with power-reserve indicator, on a black alligator leather strap with a 950 platinum prong buckle.
A. Lange & Söhne no longer makes this reference. Lange limits this version to 50 pieces.
The movement is calibre L033.1, manually wound, with 276 parts and a reserve of 38 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 11.2 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 L033.1
- Manually wound
- Power-reserve indicator
- 276 parts
- 21,600 semi-oscillations per hour (3.0 Hz)
- Power reserve 38 hours
The reference
Technical specifications
| Reference | 250.025 |
|---|---|
| Collection | Richard Lange |
| Calibre | L033.1 |
| Movement | Manually wound |
| Functions | Power-reserve indicator |
| Power reserve | 38 hours |
| Frequency | 21,600 semi-oscillations per hour (3.0 Hz) |
| Movement parts | 276 |
| Case dimensions | 40.5 mm |
| Case height | 11.2 mm |
| Case material | 950 platinum |
| Case back | Sapphire glass |
| Water resistance | 3 bar |
| Dial | Rhodié |
| Strap | Black alligator leather |
| Clasp | 950 platinum prong buckle |
| Limited edition | 50 pieces |
| Status | Discontinued — A. Lange & Söhne no longer makes this reference |
Buying with HYPA
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