Ref #: WGZAB11130
Nautilus Annual Calendar Steel (5726/1A-001)
The Patek Philippe Nautilus Annual Calendar (ref. 5726/1A-001) features a 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 stainless steel case on an integrated stainless steel, Nautilus-style bracelet.
Building on the tremendous popularity of the Nautilus ref. 5726, in 2012, Patek Philippe launched the 5726/1A, the first Nautilus Annual Calendar watch on a bracelet.