The IWC Portugieser Perpetual Calendar 5023, released in 2011, pairs a 7-day self-winding movement with the classic Kurt Klaus calendar module in a 44.2mm case. Featuring dual sapphire crystals and a 'Single Moon' indicator, this platinum reference IW5023-05 has a silver dial and is a limited edition of 250 pieces.
Shape
Round
Lug Distance
22.00 mm
Material
Platinum
Glass
Sapphire
Thickness
15.50 mm
Diameter
44.20 mm
Water Resistance
30.00 m
Dial Color
Silver
