Perpetual Calendar 3941
1985–19902 variants
The 3940 with a sapphire display back, made because clients wanted to see the 240 Q. Merged back into the 3940 when that began to ship with both backs.
About 35 known.
Variants over time
Production years have not been recorded for these variants.
Variants
Reference specifications
- Brand
- Patek Philippe
- Model
- Perpetual Calendar
- Reference
- 3941
- Category
- Dress
- Production
- 1985–1990
- Case diameter
- 36 mm
- Date
- Yes
- Movement
- Automatic