PATEK PHILIPPE. A VERY FINE AND RARE 18K PINK GOLD PERPETUAL CALENDAR CHRONOGRAPH WRISTWATCH WITH MOON PHASES, 24 HOUR AND LEAP YEAR INDICATION SIGNED PATEK PHILIPPE, GENEVE, REF. 5970, MOVEMENT NO. 4'431'264, CASE NO. 3'048'815, MANUFACTURED IN 2007 Movement: CH 27-70 Q, manual, 24 jewels, Geneva seal, signed Dial: Signed Case: Glazed display screw back, 40 mm. diam., signed With: 18k pink gold Patek Philippe deployant clasp, Certificate of Origin dated 19 July 2007, Extract from the Archives confirming production of the present watch in 2007 and its subsequent sale on 28 June 2007, additional case back, setting pin, sales tag, instruction manual, leather folder, presentation box and outer packaging
Reference 5970 was introduced to the market at the Basel Fair in April 2005 and replaced the celebrated reference 3970. The model immediately enjoyed enormous popularity amongst collectors and was available in white gold or pink gold only until 2007 when the production of these two versions ceased. Reference 5970 in yellow gold was in production only in 2008. Since 2008, the model has been available in platinum.