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148 . Patek Philippe
A fine and rare white gold perpetual calendar chronograph wristwatch with moon phases , original certificate and fitted presentation box
百 𗙈 𡝰𢠨 �𑑓𑁖𐚙� . ⊅𑌲 𘠁 � ㈨萬ㅰ �� 計 �𐒘ㅢ 𠙗 � �𐌱�𐜰�ㅰ
Manufacturer Patek Philippe Year 2004
Reference No . 3970 Movement No . 3 ’ 047 ’ 306 Case No . 4 ’ 216 ’ 237 Material 18k white gold Calibre Mechanical , CH 27-70 Q , 24 jewels
Bracelet / Strap Black Patek Philippe crocodile leather strap Clasp / Buckle 18k white gold Patek Philippe deployant clasp Dimensions 36.5 mm . diameter Signed
Case , dial and movement signed
Estimate HKD 500,000-800,000 USD 62,000-100,000
Accessories With Patek Philippe Certificate of Origin dated 18 November 2004 , product literature , instruction manual , leather wallet , fitted presentation box and outer packaging . Furthermore delivered with Patek Philippe Extract from the Archives confirming production of the present watch with opaline-white dial in 2004 and its subsequent sale on 18 November 2004 .
The perpetual calendar chronograph wristwatch , reference 3970 , was released from 1986 to 2006 . It was cased in platinum , white gold , pink gold and yellow gold . There are three series in which reference 3970 was produced : The first series featured a snap back case .
The second series featured a solid case back , and was produced concurrently with reference 3971 with a snap sapphire case back .
The third series was accompanied with “ E ” for étanche , or waterproof . They came with both a sapphire and solid screw backs for all watches .
3970 was the first reference to use a Lemania 2310 based movement , not a Valjoux movement .
Fresh to the market , the present watch is from the very last series of reference 3970 , and purchased the very year that this reference ceased production . It is furthermore presented in excellent overall condition with strong fluting to the lugs and very crisp hallmarks under the lugs .