Reference 3971 'Snap-on back' | A yellow gold perpetual calendar chronograph wristwatch with moon phases, 24 hours and leap year indication | Made in 1987
Patek Philippe Reference 3971 'Snap-on back' A yellow gold perpetual calendar chronograph wristwatch with moon phases, 24 hours and leap year indication Made in 1987 Dial: silvered Calibre: cal. CH 27-70 Q manual winding, 24 jewels Movement number: 875'077 Case: 18k yellow gold, snap-on sapphire crystal display case back Case number: 2'824'139 Closure: 18k yellow gold Patek Philippe folding clasp Size: 36 mm diameter Signed: case, dial and movement Box: yes Papers: no Accessories: Patek Philippe Extract from the Archives, additional 18k yellow buckle, setting pin, leather bifold, two service card hang tags, promotional material, service invoices and presentation case with outer packaging
