Patek Philippe Complications Annual Calendar Chronograph – Model 5905R-010
The Patek Philippe 5905R-010 embodies the perfect balance of technical sophistication and refined elegance within the Complications collection. Crafted from 18K rose gold, its bold 42 mm round case features polished surfaces and a transparent sapphire-crystal case back, revealing the exquisite craftsmanship of the self-winding Caliber CH 28-520 QA 24H movement. This movement combines a flyback chronograph with an annual calendar, requiring adjustment only once per year.
The sunburst blue dial contrasts beautifully with the warm rose gold case, featuring applied baton hour markers and sleek gold hands. The dial layout ensures exceptional readability, with a day, date, and month aperture displayed across the top, and a chronograph 60-minute counter positioned at 6 o’clock.
Complemented by a hand-stitched navy blue alligator leather strap secured with a rose gold prong buckle, this timepiece exudes understated luxury and mechanical precision—ideal for discerning collectors and connoisseurs alike.
Key Features:
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Case: 42 mm 18K Rose Gold
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Bezel: Polished Rose Gold
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Case Back: Transparent Sapphire Crystal
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Movement: Caliber CH 28-520 QA 24H, Self-Winding
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Functions: Flyback Chronograph, Annual Calendar (Day, Date, Month), 60-Minute Counter
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Dial: Sunburst Blue with Baton Hour Markers
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Hands: Gold with Luminous Coating
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Power Reserve: Approximately 45–55 Hours
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Strap: Navy Blue Alligator Leather
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Clasp: Rose Gold Prong Buckle
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Water Resistance: 30 Meters (100 Feet)
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Gender: Men’s
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Watch Style: Dress / Complication Watch
A masterful union of elegance and complexity, the Patek Philippe 5905R-010 stands as a modern icon of horological excellence—sophisticated, powerful, and eternally timeless.



