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Breguet Perpetual Calendar Ref. 3317
A finely open-worked perpetual calendar, the self-winding movement, cal. 502, features wonderful hand-engraving on all visible plates. The dial has a mix of transparent indicators for the day, month, and leap-year indicators, and applied gold rings/sectors for the power reserve, age of moon, and date indications. The 18 karat yellow gold case measures 36 mm in diameter with a slender thickness of 8 mm.
Estimate: $20,000 - 30,000
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