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Patek Philippe Calatrava Ultra-Thin 18k Gold / ref. 3520 / Vintage 1960's / Patek Philppe Box

Patek Philippe Calatrava Ultra-Thin 18k Gold / ref. 3520 / Vintage 1960's / Patek Philppe Box

EVW PRODUCT NR: 1320

THIS WATCH IS SOLD

Archive gallery for collector reference.

 

Why is the Calatrava Ref. 3520 legendary?

The Patek Philippe Reference 3520 is the definition of understated elegance. It represents the "Ultra-Thin" (Extra-Plate) era of the manufacture. At its heart beats the legendary Caliber 175, a manual-wind movement that is a marvel of engineering, measuring just 1.75mm in thickness.

This specific example, crafted in 18k Gold, embodies the purest form of the dress watch: two hands, no date, and a clean dial that allows the design to speak for itself. It is a timepiece for those who value discretion and perfection in equal measure.

Collector Notes

The Ref. 3520 is often regarded as one of the most comfortable watches ever made due to its slim profile. The Caliber 175 inside is certified with the Geneva Seal (Poinçon de Genève), a testament to its superior finishing and quality, reserved only for the finest Genevan timepieces.

SPECIFICATIONS

  • Brand: Patek Philippe
  • Model: Calatrava "Ultra-Thin"
  • Reference: 3520
  • Movement: Manual Wind, Caliber 175 (Geneva Seal)
  • Case Material: 18k Yellow Gold
  • Dial: White with Stick Indices
  • Hands: Thin Baton Hands
  • Features: Ultra-thin profile
  • Strap: Leather

📦 What’s Included

Box/Case: Secure professional travel watch case.

Documents: Invoice and our service certificate — included free of charge

🚚 Shipping, Returns

Insured worldwide shipping. Pro packing with tracking.

🛎️ Call-to-Action

This item is sold. Check our "New Arrivals" section for other investment-grade Patek Philippe watches.

🔧 Included Service Benefits

💰 If you ever decide to sell the watch, a documented service will significantly enhance its market appeal and resale value.

🛠️ A professional service worth €750 — included free of charge.

The service includes:

  • Full disassembly, ultrasonic cleaning, and lubrication using Moebius synthetic oils
  • Regulation and timing adjustment
  • Ultrasonic case and bracelet cleaning (if applicable)
  • Final technical & aesthetic inspection

📄 An official service certificate is provided, listing key technical and identifying details — ideal for insurance, provenance, or future resale.

🛡️ This ensures peace of mind and removes the need for servicing for the next 3–5 years.

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