Patek Philippe introduces a new complication to its calendar watches: the weekly calendar, a semi-integrated mechanism displaying the current week number, in addition to the day and date. A particularly useful feature for the modern businessman.
WATCH: Self-winding mechanical movement. Caliber 26‑330 S C J SE. Weekly calendar. Day and week number by hands. Date in an aperture. Sweep seconds hand.
DIAL: Silvery opaline, blackened gold applied hour markers.
CASE: Steel. Sapphire crystal case back. Water-resistant to 30 m. Diameter: 40 mm. Height: 10.79 mm.
STRAP: Calfskin, hand-stitched, light brown. Prong buckle.
Patek Philippe Complications Steel 40 MM - Calfskin Light Brown Strap - Silver Opaline Dial - 5212A-001