Portugieser Perpetual Calendar 44 IW503702

44.4mm, Obsidian

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IWC

IWC

Portuguese Perpetual Calendar 44 IW503702

The Portuguese Perpetual Calendar 44 IW503702 is a perpetual calendar model introduced in 2024, Featuring a 44.4 mm 18K Armor Gold® case, An obsidian dial, Gold-plated hands and appliques, And a black alligator leather strap by Santoni. The case is slim and sophisticated, Boasting a luxurious shape and fit. Equipped with the IWC in-house automatic caliber 52616, It offers a power reserve of 168 hours (7 days), And the perpetual calendar displays the date, Day, Month, Four-digit year, And moon phase. The moon phase is so precise that it only has a one-day error every 577.5 years, And it has high-end features such as sapphire double box glass, 50-meter water resistance, And a see-through back.