The IWC Ingenieur '500,000 A/m' was a prestigious endeavor featuring a movement modified to resist intense magnetic fields, though this resulted in significant temperature sensitivity. While the ref. 3508 was not a commercial or functional triumph, it remains a commendable technical effort.
Movement Type
Automatic
Caliber
35790Jewels
21
Reserve
42
Frequency
28800
Hands
Center Seconds
Shape
Cushion
Material
Stainless Steel
Glass
Sapphire
Thickness
8.80 mm
Diameter
34.00 mm
Water Resistance
120.00 m
Dial Color
Black
