Patek Philippe Perpetual Calendar Chronograph 3971

Patek Philippe | Reference 3971, A yellow gold perpetual calendar chronograph wristwatch with moon phases, 24 hours, leap year indication and snap on sapphire crystal display back, Made in 1988 | 百達翡麗 | 型號3971 黃金萬年曆計時腕錶，備月相、24小時、閏年顯示及藍寶石水晶底蓋，1988年製

Property of an Important Asian Collector Patek Philippe 百達翡麗 Reference 3971 A yellow gold perpetual calendar chronograph wristwatch with moon phases, 24 hours, leap year indication and snap on sapphire crystal display back, Made in 1988 型號3971 黃金萬年曆計時腕錶，備月相、24小時、閏年顯示及藍寶石水晶底蓋，1988年製 附帶盒子及後補資料庫精萃 Dial: silvered Calibre: cal. CH27-70 Q mechanical, 24 jewels Movement number: 875'171 Case: 18k yellow gold, snap on sapphire crystal display back Case number: 2'824'161 Closure: brown Patek Philippe alligator strap and 18k yellow gold Henri Stern buckle Size: 36 mm diameter Signed: case, dial and movement Accessories: Patek Philippe presentation box. Furthermore delivered with Patek Philippe Extract from the Archives confirming production of the present watch in 1988 and its subsequent sale on 23rd June 1988