Debuting in 2020, the IWC Portugieser Perpetual Calendar Tourbillon reference IW5045-04 expands on the 150th-anniversary design. It features a 45mm 'Armor' red gold case housing the self-winding 51950 calibre, with a limited run of 50 units.
Movement Type
Automatic
Caliber
51950Jewels
44
Reserve
168
Frequency
19800
Hands
Small Seconds
Shape
Round
Lug Distance
22.00 mm
Material
Red Gold
Glass
Sapphire
Thickness
15.30 mm
Diameter
45.00 mm
Water Resistance
30.00 m
Dial Color
Blue
Material
Boutique Edition