Patek Philippe Perpetual Calendar Chronograph 3970ER

The Patek Philippe Perpetual Calendar Chronograph 3970ER is a 36mm 18k rose gold luxury watch reference in the Perpetual Calendar collection, produced 1987-2004.

Patek Philippe Perpetual Calendar Chronograph 3970ER Unreviewed image
Source: amsterdamvintagewatches.com ↗

Specifications

Reference
3970ER
Brand
Patek Philippe
Model
Perpetual Calendar Chronograph
Collection
Perpetual Calendar
Case size
36mm
Case material
18k rose gold
Crystal
Sapphire
Movement
Manual Patek CH 27-70 Q
Power reserve
60h
Water resistance
30m
Bracelet
Leather
Production years
1987-2004

Related_References

The Patek Philippe Perpetual Calendar Chronograph 3970ER is a luxury watch reference documented in the Vericog reference library for professional watch dealers, including its specifications, production data, and secondary-market signals.