About This Watch
The Patek Philippe Complications 5905P-001 in platinum with green sunburst dial is a tour de force that combines a flyback chronograph with an annual calendar, representing one of the most useful combinations of complications available. The annual calendar automatically adjusts for months of different lengths, requiring correction only once per year at the end of February. The flyback chronograph allows the timing function to be reset and immediately restarted. Together, these complications create a watch that is both a practical everyday companion (with its annual calendar) and a precision timing instrument (with its flyback chronograph). The green sunburst dial in platinum is a bold choice that has proven extraordinarily popular, with the distinctive Patek Philippe platinum diamond between the lower lugs confirming the case metal. The caliber CH 28-520 QA 24H integrates a day/night indicator to complement the calendar displays. Day and month appear in twin apertures below 12 o'clock, while the chronograph minute counter and small seconds occupy the lower half of the dial. The 42mm platinum case provides comfortable proportions for this complex watch. The 5905P represents Patek Philippe's ability to combine high complications with contemporary design sensibility.
Specifications
Movement
| Movement Type | Automatic |
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| Caliber | Patek Philippe CH 28-520 QA 24H |
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| Power Reserve | 55 hours |
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| Frequency | 28,800 vph |
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| Jewels | 40 |
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Case
| Case Diameter | 42.0mm |
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| Case Thickness | 11.6mm |
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| Case Material | 950 Platinum |
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| Crystal | Sapphire |
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| Bezel | Fixed, smooth |
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| Dial Color | Green Sunburst |
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| Lug Width | 21mm |
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| Lug-to-Lug | 48.0mm |
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Features
| Water Resistance | 30m / 98ft |
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| Bracelet/Strap | Green calfskin leather strap |
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| Clasp | Fold-over clasp in 950 platinum |
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| Weight | 130g |
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| Complications | Flyback ChronographAnnual CalendarDay/NightDayDateMonth |
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