IWC Portugieser Perpetual Calendar 44mm 18K White Gold IW503401

Portugieser Perpetual Calendar (IW503401) A hallmark of haute horlogerie, the Portugieser Perpetual Calendar 44 pairs IWC's most elaborate calendar complication — perpetual date, day, month, four-digit year, and double moonphase — with the renowned Pellaton bidirectional winding system and a 7-day power reserve in a commanding 44.2mm stainless steel case.

• Case: 44.2mm | 18K White Gold | 14.9mm thick
• Dial: Blue, Arabic numeral hour indices with power reserve indicator at 3, day at 9, month at 6, year and moonphase at 12
• Movement: Automatic, Calibre 52615, Pellaton winding with ceramic pawls
• Power Reserve: Approx. 168 hours
• Water Resistance: 30 metres
• Bracelet/Strap: Black alligator leather strap by Santoni, pin buckle