Basel 2015/ Patek Philippe Annual Calendar Chronograph Ref. 5905P. At Baselworld 2015, Patek Philippe introduced an updated version of its acclaimed Annual Calendar Chronograph, a timepiece that combines two of the most appreciated complications by Patek Philippe collectors. The new Annual Calendar Chronograph Ref. 5905P is available with a navy blue or a black dial. The Patek Philippe Annual Calendar Chronograph Ref. 5905P has a retail price of US$ 78,200.
At Baselworld 2015, Patek Philippe introduced an updated version of its acclaimed Annual Calendar Chronograph, a timepiece that combines two of the most appreciated complications by Patek Philippe collectors.
The new Annual Calendar Chronograph Ref. 5905P is available with a navy blue or a black dial: blue enhances elegance while black underlines the technical nature of a time measurement instrument.
The annual calendar information - day of the week, date, and month – are displayed between 10 and 2 o'clock through three apertures. The central date is embedded in a polished white-gold frame.
The patented Patek Philippe Annual Calendar is a full calendar that automatically recognises 30- and 31-day months. If the watch runs without interruption, only one manual correction is required each year at the transition from February to March.
A large 60-minute chronograph counter is positioned at 6 o'clock and includes a small window for the day/night indicator just below the arbor of the hand.
The outermost scale for the chronograph hand is adjoined by a graduated minute scale, followed by ring that accommodates the applied white-gold hour markers.
The hour and minutes hands that hover above the dial are fashioned in a novel Dauphine silhouette with three facets and a Super-LumiNova coating on the centre ridge. Together with the luminous 5-minute markers, they assure excellent legibility in the dark.
The flyback chronograph mechanism features a traditional column wheel for handling the start, stop, and reset commands. However, it controls the clamp of a vertical disk clutch rather than the lever of a horizontal wheel clutch, a solution which increases reliability by eliminating the risk of hand bounce or recoil when the chronograph is activated.
Since the disk clutch works in a practically wear-free manner, the chronograph hand can double as a running seconds hand without negatively influencing the rate accuracy of the movement. This is why the subsidiary seconds indication, commonplace in most chronographs, was omitted.
The 42 mm case is crafted from solid platinum 950 in the manufacture's own ateliers and finished at the highest standards. Including time-consuming manual processes such as deburring, grinding, mirror-polishing with progressively finer grit, and repeated rigorous inspections, it takes about two weeks to produce a case. Like all of the manufacture’s platinum cases, it features a flawless Top Wesselton diamond between the lugs at 6 o’clock.
The new Patek Philippe Annual Calendar Chronograph Ref. 5905P shares the same self-winding movement Calibre CH 28-520 QA 24H that equips the Reference 5960/1A that was presented last year.
Visible through the sapphire-crystal back, the movement beats at 28,800 vph with a power reserve between 45 and 55 hours. The rate accuracy tolerance of the movement is -3/+2 seconds per day as specified by the Patek Philippe Seal. The large and heavy 21K gold winding rotor is decorated, as are the bridges, not with classic straight Geneva striping but instead with circular graining.
A matt navy blue or black alligator strap, secured with a platinum prong buckle, complements the timepiece. The Patek Philippe Annual Calendar Chronograph Ref. 5905P has a retail price of US$ 78,200. patek.com
The new Annual Calendar Chronograph Ref. 5905P is available with a navy blue or a black dial: blue enhances elegance while black underlines the technical nature of a time measurement instrument.
The patented Patek Philippe Annual Calendar is a full calendar that automatically recognises 30- and 31-day months. If the watch runs without interruption, only one manual correction is required each year at the transition from February to March.
The outermost scale for the chronograph hand is adjoined by a graduated minute scale, followed by ring that accommodates the applied white-gold hour markers.
The hour and minutes hands that hover above the dial are fashioned in a novel Dauphine silhouette with three facets and a Super-LumiNova coating on the centre ridge. Together with the luminous 5-minute markers, they assure excellent legibility in the dark.
The flyback chronograph mechanism features a traditional column wheel for handling the start, stop, and reset commands. However, it controls the clamp of a vertical disk clutch rather than the lever of a horizontal wheel clutch, a solution which increases reliability by eliminating the risk of hand bounce or recoil when the chronograph is activated.
Since the disk clutch works in a practically wear-free manner, the chronograph hand can double as a running seconds hand without negatively influencing the rate accuracy of the movement. This is why the subsidiary seconds indication, commonplace in most chronographs, was omitted.
The 42 mm case is crafted from solid platinum 950 in the manufacture's own ateliers and finished at the highest standards. Including time-consuming manual processes such as deburring, grinding, mirror-polishing with progressively finer grit, and repeated rigorous inspections, it takes about two weeks to produce a case. Like all of the manufacture’s platinum cases, it features a flawless Top Wesselton diamond between the lugs at 6 o’clock.
The new Patek Philippe Annual Calendar Chronograph Ref. 5905P shares the same self-winding movement Calibre CH 28-520 QA 24H that equips the Reference 5960/1A that was presented last year.
Visible through the sapphire-crystal back, the movement beats at 28,800 vph with a power reserve between 45 and 55 hours. The rate accuracy tolerance of the movement is -3/+2 seconds per day as specified by the Patek Philippe Seal. The large and heavy 21K gold winding rotor is decorated, as are the bridges, not with classic straight Geneva striping but instead with circular graining.
A matt navy blue or black alligator strap, secured with a platinum prong buckle, complements the timepiece. The Patek Philippe Annual Calendar Chronograph Ref. 5905P has a retail price of US$ 78,200. patek.com
Blue is a killer!
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