- Movement
- Manually wound
- Size
- 41.9 mm
Overview
The 1815 Rattrapante Perpetual Calendar Handwerkskunst in a 41.9 mm case
The A. Lange & Söhne 1815 Rattrapante Perpetual Calendar Handwerkskunst, reference 421.048FE, in an 18-carat white gold case, 41.9 mm across and 15.8 mm high, with a blue-enamelled dial. Manually wound calibre L101.1 with chronograph and perpetual calendar, on a black alligator leather strap with a white gold deployant buckle.
A. Lange & Söhne no longer makes this reference. Lange states that this model was introduced in 2017. Lange limits this version to 20 pieces.
This 1815 combines a chronograph with a perpetual calendar on one manually wound calibre. Lange’s page describes a dial engraved by hand under blue enamelling, and a white-gold cuvette that hinges open, also blue-enamelled.
The movement is calibre L101.1, manually wound, with 631 parts and a reserve of 42 hours; the balance beats at 21,600 semi-oscillations an hour (3.0 Hz). Lange lists the power-reserve indicator, moon-phase display, chronograph, day-of-week display, perpetual calendar and analogue date. The case is 15.8 mm high and water resistant to 3 bar. The strap is alligator leather, closed with a deployant buckle in the case metal.
For collectors
The case back is a hinged white-gold cuvette rather than a sapphire glass back, and Lange states that the cuvette carries relief and tremblage engravings.
Key details
Design and engineering
- DialEngraved by hand under blue enamelling, as Lange describes it.
- HandsRhodiumed gold, steel plated in gold, and blued steel.
- Hinged cuvetteWhite gold with blue enamelling, engraved in relief and in tremblage.
- Case18-carat white gold, 41.9 mm across and 15.8 mm high, with water resistance of 3 bar.
- Strap and buckleBlack alligator leather, closed with an 18-carat white gold deployant buckle; the lugs are 20 mm apart.
Calibre L101.1
- Manually wound
- Power-reserve indicator, moon-phase display, chronograph, day-of-week display, perpetual calendar and analogue date
- 631 parts
- 21,600 semi-oscillations per hour (3.0 Hz)
- Power reserve 42 hours
The reference
Technical specifications
| Reference | 421.048FE |
|---|---|
| Collection | 1815 |
| Calibre | L101.1 |
| Movement | Manually wound |
| Functions | Power-reserve indicator, moon-phase display, chronograph, day-of-week display, perpetual calendar, Analog date |
| Power reserve | 42 hours |
| Frequency | 21,600 semi-oscillations per hour (3.0 Hz) |
| Movement parts | 631 |
| Case dimensions | 41.9 mm |
| Case height | 15.8 mm |
| Case material | 18-carat white gold |
| Case back | White-gold hinged cuvette |
| Water resistance | 3 bar |
| Strap | Black alligator leather |
| Clasp | 18-carat white gold deployant buckle |
| Distance between lugs | 20 mm |
| Limited edition | 20 pieces |
| Status | Discontinued — A. Lange & Söhne no longer makes this reference |
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