Launched in 2021, the IWC Portugieser Hand-Wound Tourbillon ref. IW5458-01 features a 42.40mm Armor Gold case containing the hand-wound caliber 81905 and a silver dial.
Movement Type
Manual
Caliber
81905Jewels
20
Reserve
84
Frequency
28800
Hands
No Seconds
Shape
Round
Lug Distance
22.00 mm
Material
Armor Gold
Glass
Sapphire
Thickness
10.80 mm
Diameter
42.40 mm
Water Resistance
60.00 m
Dial Color
Silver
