Created in 2017 for Behebani of Kuwait, the IWC Portugieser Constant-Force Tourbillon ref. IW5901-09 is a 12-piece limited edition featuring a platinum case and blue dial. It utilizes the manual-winding caliber 94800.
Movement Type
Manual
Caliber
94800Jewels
43
Reserve
96
Frequency
18000
Hands
Small Seconds
Shape
Round
Material
Platinum
Glass
Sapphire
Thickness
13.40 mm
Diameter
46.00 mm
Water Resistance
30.00 m
Dial Color
Blue
