First Construction, Split Button in Crown
Chronograph 1436 — First Construction, Split Button in Crown
Undated
Early examples in which the winding crown doubles as the split-seconds button. Dated examples: 1941 (pink gold, sold 1946) and the steel “Astrua” (case 626'222).
About 135 made over 33 years; fewer than ten in pink gold; none known in white gold or platinum.
Identifying details
- Chronograph
Stopwatch function with registers.
- Split-seconds chronograph
Variants of 1436
Reference overview →| Variant | Production |
|---|---|
| First Construction, Split Button in CrownCurrent | Undated |
| First Construction, Split Button in Crown · Pink on Pink | Undated |
| Later Construction, Co-Axial Split Button | Undated |
| Stainless Steel | Undated |
Case & movement
- Reference
- 1436
- Production
- Undated
- Case serials
- Case diameter
- 33 mm
- Movement
- Manual winding
- Date
- No
Dial, bezel & hands
Unknown attributes are left out rather than guessed.