Patek Philippe Complications Chronograph Annual Calendar – Model 5905/1A-001
The Patek Philippe 5905/1A-001 combines the prestige of haute horlogerie with a bold, contemporary design. Crafted from stainless steel, the 42 mm round case is polished to perfection and complemented by a fixed steel bezel and a transparent sapphire-crystal case back, revealing the intricate Caliber CH 28-520 QA 24H automatic movement.
The sunburst olive-green dial features applied white gold index hour markers and luminous hands, offering a dynamic contrast and excellent legibility. Its refined layout includes an annual calendar with day, date, and month apertures across the upper dial and a 60-minute chronograph counter positioned neatly at 6 o’clock. The flyback chronograph function allows for instant resetting and restarting with a single push, reflecting Patek Philippe’s hallmark precision and innovation.
Key Features:
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Case: 42 mm Stainless Steel
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Case Back: Transparent Sapphire Crystal
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Bezel: Fixed Stainless Steel
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Movement: Caliber CH 28-520 QA 24H, Automatic Flyback Chronograph with Annual Calendar
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Dial: Sunburst Olive Green with White Gold Index Markers
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Functions: Chronograph, Annual Calendar (Day, Date, Month), 24-Hour Indicator, Central Seconds
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Power Reserve: Approx. 45–55 Hours
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Bracelet: Integrated Stainless Steel
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Clasp: Fold-Over Clasp
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Water Resistance: 30 Meters (100 Feet)
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Gender: Men’s
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Style: Dress / Sport-Luxury Watch
The Patek Philippe 5905/1A-001 stands out as a rare fusion of sporty aesthetics and high-complication craftsmanship—ideal for collectors seeking both refinement and performance in a single timepiece.
