Browse Shortlist Compare Books Experts Glossary

Menu

Browse Shortlist Compare Books Experts Glossary

Loading the archive…

The Index — Vintage watches, decoded.References, dials and variants up to 2000

Appearance

Impressum Datenschutz

Suggest an addition

Suggest a correction

Tell us what should change and provide a source or book/page citation. Suggestions are reviewed before any catalog changes. No account or email is required.

Which detail needs correcting?Suggested correctionSupporting evidenceSource URL (optional)

Website

Please do not include personal or confidential information. See our privacy notice for how suggestions are stored and reviewed.

Patek Philippe Perpetual Calendar Chronograph 3970ER · The Index

Brands
Patek Philippe
Perpetual Calendar Chronograph
3970ER

Perpetual Calendar Chronograph 3970ER

c. 1990–?

Years estimated from 6 dated marketplace listings; seller-stated, unverified. Listings also state years up to 2004; end of production left open.

Variants

No variants documented yet.

Reference specifications

Brand: Patek Philippe
Model: Perpetual Calendar Chronograph
Reference: 3970ER
Production: c. 1990–?
Case diameter: 36 mm
Movement: Manual winding

Manual windingWinding a mechanical watch’s mainspring by turning the crown. Some automatic movements also allow manual winding.

Specs shared by all variants. Variant pages show where a variant differs.

All Perpetual Calendar Chronograph references

Previous reference3970E

Next reference3970J