White Gold · Reversed Date Ring, Sigma
Perpetual Calendar Padellone 3448 — White Gold · Reversed Date Ring, Sigma
c. 1971–1973
Small reversed (dark) date ring with pearled minute divisions and the sigma marking; such dials are thought to date from 1971–72, the last in 1973.
No verified image of this watch yet
Identifying details
- Perpetual calendar
Calendar that accounts for month lengths and leap years.
- Moon phase
Variants of 3448
Reference overview →| Variant | Production |
|---|---|
| Yellow Gold | Undated |
| Yellow Gold · First Series Dial | Undated |
| Yellow Gold · Third Series Dial | Undated |
| Yellow Gold · Italian Calendar | Undated |
Case & movement
- Reference
- 3448
- Production
- c. 1971–1973
- Case material
- 18k white gold
- Case diameter
- 37.5 mm
- Movement
- Automatic
- Date
- Yes
- Caliber
- Patek Philippe 27-460 Q
Dial, bezel & hands
Unknown attributes are left out rather than guessed. Unstated details are inherited from the parent variant.
Movement
Patek Philippe 27-460 Q
Patented self-winding perpetual calendar caliber with a central gold rotor, a development of the 12-600 AT. Powered the ref. 3448, the first wristwatch, and its successor the ref. 3450; movements for the 3448 run from 1'119'000.