Patek Philippe - 3970EJ-001

Perpetual Calendar Chronograph 3970EJ

Brand: Patek Philippe
Family: Grand Complications
Reference: 3970EJ-001
Name: Perpetual Calendar Chronograph 3970EJ
Produced: 1991 - 2004
Limited: No


Material: Yellow gold
Glass: Sapphire
Back: Open
Shape: Round
Diameter: 36.00 mm


Color: White
Indexes: Stick / Dot
Hands: Breguet
3970EJ-001 : Patek Philippe Perpetual Calendar Chronograph 3970EJ


The Patek Philippe 3970E was introduced around 1992 as the third series of the 3970, with the 'E' signifying 'Etanche', French for waterproof. This series was delivered with both a closed as well as a see-through case back.


Based on a Nouvelle Lemania ebauche, the CH 27-70 Q powered the iconic references 3970 and 5970. With added rattrapante function (CHR 27-70 Q) it also served in the much-coveted 5004. It was the last of the Patek Philippe Perpetual Calendar Chronograph movements not to be fully in-house.

Brand:Patek Philippe
Caliber:CH 27-70 Q
Base: Lemania 2310
Diameter:30.00 mm
Reserve:60 h
Frequency:18000 bph
Time:Hours, Minutes, Small Seconds, Day / Night Indication
Date:Date, Day, Leap Year, Month, Perpetual Calendar
Chronograph:Chronograph, Column wheel

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