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拍品 5177
百達翡麗，精細及罕有，鉑金自動上弦腕錶，配年曆、中心秒針、動力儲存、月相顯示、"Spiromax"矽製游絲擺輪及"Pulsomax"擒縱系統，"Advanced Research Annual Calendar"，型號5450，附證書及盒子，2009年製
SIGNED PATEK PHILIPPE, ADVANCED RESEARCH, ANNUAL CALENDAR MODEL, REF. 5450, MOVEMENT NO. 3'900'223, CASE NO. 4'700'548, MANUFACTURED IN 2009
已結束2012年5月30日
成交價
HKD 596,000
更多資訊
專家說明
US$60,000-80,000
With Patek Philippe Certificate of Origin dated April 2009, Wempe Warranty dated April 2009, instruction manual, product literature, leather wallet, fitted slip case, presentation box and outer packaging.
The Advanced Research department at Patek Philippe is responsible for horological improvements and technical innovations. One of their important developments in recent years is the creation of silicium, forged using the ultra-modern DRIE (Deep Reactive Ion Etching) process. Previously, hair springs were crafted from carbon steel, a material that is susceptible to magnetism, oxidation or rust and temperature variations. Modern-day silicium contributes greatly to the precision that Patek Philippe prides itself on, as it has non-magnetic, non-oxidisation properties, reduced mass, is not affected by temperature and has reduced sensitivity as it is three times lighter than conventional springs.
Following in the footsteps of this range's previous references, silicium is used in the references 5250 (please see lot 4811), 5350 (please see lot 4957) and 5450 (the present lot). With the most current reference, the three most important components of the escapement - the hairspring, the balance wheel and the anchor or pallet fork - are now in silicium or Silinvar, as Patek Philippe has named it. With the use of the revolutionary Silinvar Spiromax spring, Patek Philippe has ventured one step closer to perfection - the spring is isochronous regardless of temperature, movement orientation or magnetic presence.
With Patek Philippe Certificate of Origin dated April 2009, Wempe Warranty dated April 2009, instruction manual, product literature, leather wallet, fitted slip case, presentation box and outer packaging.
The Advanced Research department at Patek Philippe is responsible for horological improvements and technical innovations. One of their important developments in recent years is the creation of silicium, forged using the ultra-modern DRIE (Deep Reactive Ion Etching) process. Previously, hair springs were crafted from carbon steel, a material that is susceptible to magnetism, oxidation or rust and temperature variations. Modern-day silicium contributes greatly to the precision that Patek Philippe prides itself on, as it has non-magnetic, non-oxidisation properties, reduced mass, is not affected by temperature and has reduced sensitivity as it is three times lighter than conventional springs.
Following in the footsteps of this range's previous references, silicium is used in the references 5250 (please see lot 4811), 5350 (please see lot 4957) and 5450 (the present lot). With the most current reference, the three most important components of the escapement - the hairspring, the balance wheel and the anchor or pallet fork - are now in silicium or Silinvar, as Patek Philippe has named it. With the use of the revolutionary Silinvar Spiromax spring, Patek Philippe has ventured one step closer to perfection - the spring is isochronous regardless of temperature, movement orientation or magnetic presence.