IWC Portugieser Perpetual Calendar 44
IW503701
The IW503701 presents IWC’s emblematic perpetual calendar in a particularly warm and refined guise. Its Silver Moon dial is built up through layers of transparent lacquer and polished for unusual depth, with gold-plated hands and applied markers echoing the richer tone of the Armor Gold® case. A slimmer, reworked profile and double box-glass sapphire crystals give the substantial Portugieser an elegant sense of lightness, while the dark brown Santoni strap completes the restrained precious-metal composition.
Reference: IW503701
Movement: Automatic, calibre 52616
Case: 18 ct Armor Gold®, 44.4 mm
Dial: Silver plated
Strap/bracelet: Dark brown alligator leather strap by Santoni
Features: Date; Moon phase; Perpetual calendar; Stop-seconds; Anti-reflective crystal
Water resistance: 50 m / 5 ATM
Year: 2026 — Full set
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