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

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Patek Philippe Perpetual Calendar Chronograph 3970EP-021 · The Index

Brands
Patek Philippe
Perpetual Calendar Chronograph
3970EP-021

Perpetual Calendar Chronograph 3970EP-021

1987–2004

Perpetual Calendar Chronograph 3970 Platinum / Silver Stick — photo from WatchBase · Photo: WatchBase · © WatchBase, used with permission · Source: https://watchbase.com/patek-philippe/grand-complications/3970ep-021

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Variants

No variants documented yet.

Reference specifications

Brand: Patek Philippe
Model: Perpetual Calendar Chronograph
Reference: 3970EP-021
Production: 1987–2004
Case material: Platinum
Case diameter: 36 mm

Crystal

Sapphire

Movement

Manual windingManual 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

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