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A. Lange & Söhne
A. Lange & Söhne Zeitwerk
A. Lange & Söhne
140.021
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Details & Specifications
The ZEITWERK is A. Lange & Söhne’s very first mechanical wristwatch with a digital time display format. Hours and minutes are indicated with jumping numerals that always deliver a precise reading. The dominant feature of the watch is the time bridge, which, as part of the movement, penetrates the dial and simultaneously constitutes the frame for all time indications.
Specifications:
| Movement | |
| Type | Manual winding |
| Calibre | L043.2 |
| Power Reserve (h) | 36 hours when fully wound |
| No. of movement parts / jewels | 415/68 |
| Frequency | 4 Hz (28’800 vph) |
| Case | |
| Case Material | Yellow gold |
| Case measures | Diameter: 41.9 millimetres; height: 12.6 millimetres |
| Movement measures |
Diameter: 33.6 millimetres; height: 9.3 millimetres |
| Crystal | Sapphire Crystal |
| Dial Colour | Solid silver, argenté |
| Functions | Hours and minutes in a jumping numerals display; subsidiary seconds dial; UP/DOWN power-reserve indicator; stop-seconds mechanism |
| Strap | |||
| Strap Material | Brown crocodile strap | ||
| Clasp | Pin buckle | ||
| Clasp Material | Yellow gold |