Patek Philippe 3748J Ellipse 18K Yellow Gold Blue Dial Manual Wind (31290)

31290 Patek Philippe "Ellipse"3748, 3748J, 18k yellow gold on a strap with an 18k yellow gold buckle Patek Philippe buckle, manual wind caliber, blue dial, applied gold numerals, gold hands, sapphire crystal, Size: 27 mm, Excellent Condition with Original Patek Philippe box and archive certificate dated 1980.


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More about Patek Philippe 3748J Ellipse 18K Yellow Gold Blue Dial Manual Wind

This is an 18K yellow gold Patek Philippe Ellipse 3748J. It includes a leather strap with an 18K yellow gold tang buckle, and a scratch resistant sapphire crystal. There is a snap down exhibition sapphire display case back engraved with a monogram and date. The 27mm by 32mm solid two-body ovoid case, sloped flat bezel, and solid snap-down case back are polished. It has an indigo blue dial with applied yellow gold baton index markers and matching pointed baton hands. It has a 44-hour power reserve at full winding, The 6mm thick case, dial, and movement are all signed.

The manual winding caliber 215 movement is rhodium plated with fausses côtes embellishment, and the Patek Philippe Seal. It's constructed with 18 Jewels, 130 components, 5 bridges, a straight-line lever escapement, a free-sprung self-compensating flat balance spring, and a shock absorber device. It includes a micrometer regulator and a Gyromax monometallic balance that compensates for cold, heat, isochronism, and 5 positions. It has a Spiromax balance spring, and the mechanism oscillates at a frequency of 28,800 vph (4Hz).