Patek Philippe 18k blue Sigma 1970s

Here we have an excellent representation of Patek Philippes's dress watches, this ref. 3599 hit all the high notes with an 18k white gold Rectangular case, no lugs and a wonderful blue Sigma dial. 

Additionally the dial is made entirely of gold, as indicated by the Sigma symbols at the bottom of the dial.

CASE:

• excellent overall condition, showing minor traces of use
• 3- body 18k white gold case with snap-on case back
• 28 mm (without crown) / 31 mm (lug-to-lug) / 19 mm (strap)
• Ref.: 3599
• Year: 1970s

MOVEMENT:

• Patek Philippe Cal. 16-250 - manual wound
• 18 jewels, 19800 A/h, 46 hours power reserve
• professionally serviced 07/2022
• +5sec/d / 250°

DIAL:

• original never touched blue 18k sigma dial in flawless condition
• original hands, dial & crown