The IWC Portugieser Perpetual Calendar Tourbillon reference IW5045-05 launched in 2020 as a follow-up to the 150th-anniversary series. It incorporates a 45mm platinum case and the self-winding 51950 movement, limited to 50 examples.
Movement Type
Automatic
Caliber
51950Jewels
44
Reserve
168
Frequency
19800
Hands
Small Seconds
Shape
Round
Lug Distance
22.00 mm
Material
Platinum
Glass
Sapphire
Thickness
15.30 mm
Diameter
45.00 mm
Water Resistance
30.00 m
Dial Color
Silver
