- Movement
- Self-winding
- Size
- 39.5 mm
Overview
The Lange 1 Daymatic in a 39.5 mm case
The A. Lange & Söhne Lange 1 Daymatic, reference 320.025, in a 950 platinum case, 39.5 mm across and 10.4 mm high, with a rhodié dial. Self-winding calibre L021.1 with outsize date and day-of-week display, on a black alligator leather strap with a platinum prong buckle.
A. Lange & Söhne no longer makes this reference. Lange calls the Lange 1 Daymatic the first Lange 1 family watch with a self-winding movement. As on the Lange 1, the displays sit off-centre and do not overlap; Lange adds that they are mirrored here and that a retrograde day-of-week indicator takes the place of the power-reserve indicator. This execution has a rhodié dial and a black alligator leather strap closed with a platinum prong buckle.
Lange lists the Lange 1 Daymatic in a 39.5 mm case, with the outsize date and a day-of-week display, on one self-winding calibre.
The movement is calibre L021.1, self-winding, with 426 parts and a reserve of 50 hours; the balance beats at 21,600 semi-oscillations an hour (3.0 Hz). The case is 10.4 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
Design and engineering
- DisplaysThe outsize date and the day-of-week display are the two functions Lange lists for calibre L021.1.
- Case39.5 mm across and 10.4 mm high, with a sapphire glass case back and water resistance of 3 bar.
- Strap and buckleAlligator leather, closed with a prong buckle in the case metal.
Calibre L021.1
- Self-winding
- Outsize date and day-of-week display
- 426 parts
- 21,600 semi-oscillations per hour (3.0 Hz)
- Power reserve 50 hours
The reference
Technical specifications
| Reference | 320.025 |
|---|---|
| Collection | Lange 1 |
| Calibre | L021.1 |
| Movement | Self-winding |
| Functions | Outsize date, day-of-week display |
| Power reserve | 50 hours |
| Frequency | 21,600 semi-oscillations per hour (3.0 Hz) |
| Movement parts | 426 |
| Case dimensions | 39.5 mm |
| Case height | 10.4 mm |
| Case material | 950 platinum |
| Case back | Sapphire glass |
| Water resistance | 3 bar |
| Dial | Rhodié |
| Strap | Black alligator leather |
| Clasp | 950 platinum prong buckle |
| Status | Discontinued — A. Lange & Söhne no longer makes this reference |
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