Centre Seconds
Calatrava 565 — Centre Seconds
Undated
From 1939 with Victorin Piguet indirect centre seconds, and from 1950 with the 27 SC (or the 12-400 for small seconds).
Identifying details
- Screw-down caseback
Caseback screwed into the case for water resistance.
- Centre seconds
Variants of 565
Reference overview →| Variant | Production |
|---|---|
| Yellow Gold | Undated |
| Pink Gold | Undated |
| Pink Gold · Two-Tone Pink Dial | Undated |
| Pink Gold · Black Acuatic Dial, Freccero | Undated |
Case & movement
- Reference
- 565
- Production
- Undated
- Case diameter
- 35 mm
- Movement
- Manual winding
- Date
- No
- Caliber
- Patek Philippe 12-120 SC — Indirect centre seconds from 1939
- Patek Philippe 27 SC — From 1950
Dial, bezel & hands
Unknown attributes are left out rather than guessed.
Movement
Patek Philippe 12-120 SC
The 12-120 with an indirect centre-seconds module by Victorin Piguet mounted over the going train (three extra wheels driven off the fourth wheel, with a tension spring against flutter).
Manual winding · Introduced 1939
Patek Philippe 27 SC
Patek’s first direct centre-seconds movement made in series, with the second and fourth wheels on the same plane; from about 1949–50. Base of the 2497/2438-1 perpetual calendars.
Manual winding · 18 jewels