Perpetual Calendar Chronograph 3970EJ
Patek Philippe · Patek Philippe Grand Complications

Perpetual Calendar Chronograph 3970EJ

Ref. 3970EJ-001

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.

Release year
1991
Case diameter
36 mm
Case material
Yellow Gold
Crystal
Sapphire
Dial
White
Movement
Patek Philippe caliber CH 27-70 Q
Movement type
Handwound
Display
Analog
Power reserve
60 h
Frequency
18000 vph
Jewels
24
Movement diameter
30 mm
Complications
Chronograph, Column wheel, Date, Day, Day, Hours, Leap Year, Minutes, Month, Night Indication, Perpetual Calendar, Small Seconds

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