Perpetual Calendar Chronograph 3970 Rose Gold
Patek Philippe · Patek Philippe Grand Complications

Perpetual Calendar Chronograph 3970 Rose Gold

Ref. 3970ER-012

The Patek Philippe Perpetual Calendar Chronograph reference 3970ER-012 has a rose gold case and a silver dial. Picture by Sotheby's.

Release year
1986
Case diameter
36 mm
Case material
Red Gold
Crystal
Sapphire
Dial
Silver
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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