Classic Nautilus DNA — Refined in a Mid-Size Masterpiece - Patek Philippe Nautilus Ref. 3900/001

The Patek Philippe Nautilus Ref. 3900 distills everything that makes the Nautilus iconic — Gérald Genta’s signature porthole design, the ribbed dial, and integrated bracelet — into a rare, slimmer 32.5 mm format. Introduced in the early 1980s, this reference is perfect for those who seek the elegance of the Nautilus in a more understated size.

With its rounded octagonal bezel, protruding “ears,” and anthracite blue ribbed dial, the watch exudes quiet confidence. 

This example is fully unpolished and comes in fantastic condition, retaining all the crisp lines of the original case and bracelet. Best of all, it includes the original Patek Philippe certificate from 1986, making it a collector-grade piece.

The Nautilus 3900 is more than a smaller sibling — it’s a rare and refined chapter in the legacy of Patek Philippe’s most iconic design.

- wrist size in our picture is 18cm circumference -

CASE:

• great overall condition, showing traces of used (unpolished)
• monobloc case in stainless steel withe screwed-on bezel
• 32.5 mm (without crown) / 35 mm (lug-to-lug) / 20 mm (between lugs) / 6.5 mm thick
• year: 1986
• reference: 3900 / 001
  
• total weight: 76 g

MOVEMENT:

• Patek Philippe Quartz Cal. E23SC 
  
• professionally serviced 09/2025
  

DIAL:

• original never touched ribbed anthracite blueish Nautilus sigma dial in flawless condition 
• original hands and crown
  
• original and evenly aged lume on hands and dial

BRACELET & CLASP:

• original Patek Philippe stainless steel bracelet is fitting up to 19.5 cm wrist size / 3 mm thick (6 links can be removed)
  
• original Patek Philippe stainless steel buckle

BOX & PAPERS:

• comes with original Patek Philippe certificate from first purchase 1986
  
• comes with GOLDAMMER Box

GOLDAMMER REFERENCE: #1127