IWC Schaffhausen’s perpetual calendar was originally developed during the 1980s by former head-watchmaker Kurt Klaus. In 2003, the legendary complication was presented in the Portugieser collection for the first time. Since then, the Portugieser Perpetual Calendar has been a major pillar of the collection.
Movement & Dial Specification
Specification
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Model #IW503701
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CollectionIWC – PORTUGIESER
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Water Resistance50 Meters
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Item No.60010916
Movement
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Movement TypeAutomatic/Self Wind
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FunctionsPerepetual Calendar
Dial
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Dial ColorSilver Tone
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Dial MarkerNumbers / Arabic
Case
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Case Size44.5mm
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Case MaterialYellow Gold
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ShapeRound
Strap
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Band MaterialAlligator
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Band ColorBrown
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Clasp TypeFolding / Deployant















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