First Series · Wenger Case
Perpetual Calendar 2499 — First Series · Wenger Case
Case by Ed. Wenger (key 1): 37.5–37.7 mm, domed caseback and shorter, gentler lugs. Usually with “Dial B”, without the railway date track. About 28 made in yellow gold. The earliest known is movement 868'340 (case 687'756, 1952); others: case 687'761 (1952), case 691'609 (1953), case 691'619 (1956).
Identifying details
- Perpetual calendar
Calendar that accounts for month lengths and leap years.
- Moon phase
Variants of 2499
Reference overview →| Variant | Production |
|---|---|
| First Series | 1951–c. 1955 |
| First Series · Vichet Case | c. 1951–c. 1953 |
| First Series · Wenger CaseCurrent | c. 1952–c. 1955 |
| First Series · Serpico y Laino | Undated |
Case & movement
- Reference
- 2499
- Production
- c. 1952–c. 1955
- Case diameter
- 37.5 mm
- Movement
- Manual winding
- Date
- Yes
- Caliber
- Patek Philippe 13-130 Q
Dial, bezel & hands
Unknown attributes are left out rather than guessed. Unstated details are inherited from the parent variant.
Movement
Patek Philippe 13-130 Q
The 13-ligne Valjoux-based chronograph with a perpetual calendar and moon-phase module by Victorin Piguet. Used for 44 years in the refs. 1518 and 2499.
Manual winding · 23 jewels