Second Series, Cal. 12-400
Calatrava Calatravone 570 — Second Series, Cal. 12-400
Undated
Second series on the 12-400. Example: steel, made 1957.
No verified image of this watch yet
Identifying details
- Small seconds
Subsidiary seconds dial.
Variants of 570
Reference overview →| Variant | Production |
|---|---|
| First Series, Cal. 12-120 | Undated |
| Second Series, Cal. 12-400Current | Undated |
| Final Series, Centre Seconds | Undated |
| Stainless Steel | Undated |
Case & movement
- Reference
- 570
- Production
- Undated
- Case diameter
- 36 mm
- Movement
- Manual winding
- Date
- No
- Caliber
- Patek Philippe 12-400
Dial, bezel & hands
Unknown attributes are left out rather than guessed.
Movement
Patek Philippe 12-400
Successor to the 12-120 from about 1949–50 with a revised regulator and shock protection.
Manual winding · Introduced 1949 · 18 jewels