- Movement
- Self-winding
- Size
- 41.9 mm
Overview
The Lange 1 Tourbillon Perpetual Calendar in a 41.9 mm case
The A. Lange & Söhne Lange 1 Tourbillon Perpetual Calendar “25th Anniversary”, reference 720.066FE, in an 18-carat white gold case, 41.9 mm across and 12.2 mm high, with an argenté dial. Self-winding calibre L082.1 with perpetual calendar and tourbillon, on a blue alligator leather strap with grey stitches and a white gold deployant buckle.
A. Lange & Söhne no longer makes this reference. Lange describes it as the most complex model in the Lange 1 family and says the tourbillon can be seen through the sapphire glass case back. The dial is argenté, in solid silver. The strap is blue alligator leather with grey stitches, closed with a white gold deployant buckle, and the distance between the lugs is 22 mm. It belongs to Lange's “25th Anniversary” edition, and Lange limits this version to 25 pieces.
Lange lists this Lange 1 with a perpetual calendar and a tourbillon, together with the outsize date, a day/night indicator, a moon-phase display and a day-of-week display, on one self-winding calibre.
The movement is calibre L082.1, self-winding, with 624 parts and a reserve of 50 hours; the balance beats at 21,600 semi-oscillations an hour (3.0 Hz). The case is 12.2 mm high, water resistant to 3 bar, with a sapphire glass case back. The strap is alligator leather, closed with a deployant buckle in the case metal.
Key details
Design and engineering
- FunctionsCalibre L082.1 lists the perpetual calendar, the tourbillon, the outsize date, the day-of-week display, the moon-phase display and the day/night indicator.
- Case41.9 mm across and 12.2 mm high, with a sapphire glass case back and water resistance of 3 bar.
- Strap and buckleAlligator leather, closed with a deployant buckle in the case metal.
Calibre L082.1
- Self-winding
- Outsize date, day/night indicator, moon-phase display, tourbillon, day-of-week display and perpetual calendar
- 624 parts
- 21,600 semi-oscillations per hour (3.0 Hz)
- Power reserve 50 hours
The reference
Technical specifications
| Reference | 720.066FE |
|---|---|
| Collection | Lange 1 |
| Calibre | L082.1 |
| Movement | Self-winding |
| Functions | Outsize date, day/night indicator, moon-phase display, tourbillon, day-of-week display, perpetual calendar |
| Power reserve | 50 hours |
| Frequency | 21,600 semi-oscillations per hour (3.0 Hz) |
| Movement parts | 624 |
| Case dimensions | 41.9 mm |
| Case height | 12.2 mm |
| Case material | 18-carat white gold |
| Case back | Sapphire glass |
| Water resistance | 3 bar |
| Dial | Argenté |
| Strap | Blue alligator leather with grey stitches |
| Clasp | 18-carat white gold deployant buckle |
| Distance between lugs | 22 mm |
| Limited edition | 25 pieces |
| Status | Discontinued — A. Lange & Söhne no longer makes this reference |
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