The 1990s IWC Ingenieur Chronograph Alarm is housed in a 34mm case containing a meca-quartz movement with an alarm controlled by a 10 o'clock crown. Reference IW3815-08 comes in a yellow gold case with a white dial.
Movement Type
Quartz
Caliber
633Jewels
27
Hands
Small Seconds
Shape
Round
Material
Yellow Gold
Glass
Sapphire
Thickness
9.00 mm
Diameter
34.00 mm
Water Resistance
30.00 m
Dial Color
White
Material
Strap
