Ref #: WGZAS12427
Nautilus Annual Calendar Steel (5726A-001)
The Patek Philippe Nautilus Annual Calendar (ref. 5726A-001) features the Caliber 324 S QA LU 24H mechanical automatic movement; black dial; annual calendar complication with day, date and month shown in apertures; moon phase with AM/PM indicator; center seconds hand; sapphire crystal, transparent case back; and 40.5mm, stainless steel case on a black alligator strap with a stainless steel deployant clasp.
The Ref. 5726A-001 is the first Nautilus model with an Annual Calendar. Patek Philippe designed it to be casually elegant with its large stainless steel case, black alligator strap and sleek black dial.