patek philippe nautilus 3900/1 two-tone watch

PATEK PHILIPPE NAUTILUS 3900/1 TWO-TONE NAUTILUS

Patek Philippe Nautilus 3900/1 medium wristwatch in steel/yellow gold, Switzerland around 1985, two-piece construction case, lateral by gold bezel 4- times screwed down, integrated steel/yellow gold bracelet with deployant clasp, quartz calibre E 23 SC, dark blue dial with raised luminous indexes in gold, date at 3, diameter approx. 32 mm, length approx. 19,5 cm

WATCH SPECIFICATIONS

Brand: Patek Philippe
Ref. 3900/1
Collection: Nautilus
Case Material: 18K rose gold
Movement: Quartz
Bracelet: 18k rose gold and stainless steel strap
Crystal: Scratch resistant sapphire
Buckle: Deployant
Dial: Black ribbed
Diameter: 32mm
Thickness: 15mm