This Rare Patek Philippe Nautilus Watch 3712/1A, was the first of the complicated Nautilus' to exhibit complications. This stainless steel model features a moonphase, sub second dial, date function and 48 hour power reserve sub dial with 3 red dots.
It was introduced in 2005 and retired in 2006 with the introduction of the 5712/1 as is a more collectible watch due to its rarity. It is indeed the parent of the 5712, almost identical with nuance differences.
All original, excellent condition, unpolished,
Size 42mm
Perfect original Blue/Gray Dial
Original large steel full link bracelet with 18mm wide clasp has no stretch and is unpolished
Circa 2006
Complete with box, paper and all documents.