The IWC IW3910-31 replaced the IW3910-22 in 2019 and is built with a stainless steel case and a silver dial.
Movement Type
Automatic Chronograph
Caliber
75320Jewels
25
Reserve
44
Frequency
28800
Hands
Small Seconds
Shape
Round
Material
Stainless Steel
Glass
Sapphire
Thickness
13.60 mm
Diameter
42.00 mm
Water Resistance
30.00 m
Dial Color
Silver
