Patek Philippe ref. 3970E Calendario Perpetuo in Oro Giallo 18k
| Model: | Complications, Patek Philippe |
| Year of issue: | 1991 |
| Reference number: | 3970E |
| Condition: | hardly worn |
| Status: | sold |
| Dealer country: | Italy |
| Dealer name: | Elvio Piva |
| Price in EUR € | n/a |
Description
Patek Philippe Perpetual Calendar in 18k yellow gold Reference 3970E Opaline dial with chronograph, perpetual calendar and moon phases, 18k yellow gold case in excellent condition Hand-wound mechanical movement With box and official warranty 1991 The second series of Reference 3970 has a number of features, including a solid, screw-down case back, gladius hands and baton hour markers. It features a solid "E - Etanche" screw-down case back with additional sapphire case back. An estimated 1,350 examples were produced in all metals. In 1986, Patek Philippe replaced the long-lived Ref. 2499 with the new Ref. 3970 with an updated caliber based on Lemania. CH27-70Q that replaces the previous Valjoux caliber. While adopting similar aesthetics to the previous reference, ref. 3970 features a smaller case with a diameter of 36 mm. The reference was produced in all four metals, yellow gold, rose gold, white gold and platinum, for a total of four series and a production run of more than 19 years. It is estimated that more than 4,000 examples of the reference were produced over the course of production.