Cal. 12-120
Calatrava 96 — Cal. 12-120
1934–c. 1950
The in-house 12-120 with small seconds at 6 – the archetypal 96.
Cases by Antoine Gerlach (precious metals) and Taubert (steel). The long “Patek Philippe & Co./Cie” signature gives way to the short signature around 1948.
Identifying details
- Small seconds
Subsidiary seconds dial.
Variants of 96
Reference overview →| Variant | Production |
|---|---|
| First Series, LeCoultre Movement | 1932–c. 1935 |
| Cal. 12-120Current | 1934–c. 1950 |
| Cal. 12-400 | c. 1950–? |
| Fourth Series, Cal. 27-AM-400 | Undated |
Case & movement
- Reference
- 96
- Production
- 1934–c. 1950
- Case serials
- Case diameter
- 31 mm
- Movement
- Manual winding
- Date
- No
- Caliber
- Patek Philippe 12-120
Dial, bezel & hands
Unknown attributes are left out rather than guessed.
Movement
Patek Philippe 12-120
Patek’s first in-house wristwatch movement, developed under technical director Jean Pfister: 12-ligne, subsidiary seconds driven directly from the fourth wheel at 6, finger bridges, Breguet spring and swan-neck regulator. Replaced the LeCoultre ébauches of the first ref. 96s.
Manual winding · Introduced 1934 · 17 / 18 jewels