Minimalism, Perfected — The White Gold Calatrava in Its Purest Form

Elegant, ultra-thin, and architecturally balanced, this Patek Philippe Calatrava Ref. 3520/12 from the 1970s is a true embodiment of timeless design. Crafted in 18k white gold with a seamless lugless case and integrated bracelet, it exemplifies Patek’s minimalist mastery at its most refined.

The untouched silver sunburst dial radiates quiet sophistication, paired with slender baton hands and Patek’s signature understated charm. The beautifully woven white gold bracelet offers a soft drape on the wrist — as much fine jewelry as it is precision watchmaking.

Inside, the hand-wound Caliber 175 delivers classic mechanical performance in an ultra-slim 5.2mm case. This reference is a rare and wearable expression of the Calatrava philosophy: purity, proportion, and enduring elegance.

- wrist size in our picture is 18cm circumference -

• excellent overall condition, showing very minor traces of use
• 3- body 18k white gold case with screw-down case back from Ed. Wenger SA
• 32 mm (without crown) / 32 mm (lug-to-lug) / 18 mm (between lugs) / 5.2 mm thick
  
• Ref.: 3520 / 12
• Year: 1971-1972
• total weight: 76 g

MOVEMENT:

• Patek Philippe Cal. 175 - manual wind
• 18 jewels, 18000 A/h, 46 hours power reserve
• professionally serviced 01/2026
• +5 sec/d / 280°

BOX & PAPERS:

• GOLDAMMER certificate of authenticity & service documentation card
• comes with original Patek Philippe box

GOLDAMMER REFERENCE: #882