Patek Philippe revisits the unique style of its Annual Calendar Regulator by presenting it in rose gold, paired with a two-tone dial in graphite and ebony-black with a vertical satin finish.
The caliber 31-260 REG QA self-winding movement, designed specially for this model, is notable for its high-tech regulator, incorporating a Pulsomax® escapement and a Spiromax® balance spring in Silinvar® – both developed by the “Patek Philippe Advanced Research” department.
Self-winding mechanical movement. Caliber 31‑260 REG QA. Regulator-style display: hour and seconds subdials, sweep minutes. Day, date, month in apertures. Two-tone graphite and ebony black, vertical satin finish, white transfer-printed. Rose gold. Sapphire-crystal case back. Water-resistant to 30m. Diameter: 40.5 mm. Height: 10 mm. Alligator leather with square scales, hand-stitched, matte black. Prong buckle.
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