The Patek Philippe 3970E was introduced around 1992 as the third series of the 3970 model, with the 'E' designation indicating it is waterproof (Etanche). This series offered the option of either a solid or a transparent case back.
Movement Type
Manual Chronograph
Caliber
CH 27-70 QJewels
24
Reserve
60
Frequency
18000
Hands
Small Seconds
Shape
Round
Material
Yellow Gold
Glass
Sapphire
Diameter
36.00 mm
Dial Color
White
