Patek Philippe Calatrava 18K Yellow Gold Opaline Silvery White Dial Manual Wind 32mm Screwback Rare reference 3720 Ultra Thin Sigma Dial

$10,800.00
$10,800.00
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Product Description

Overview

An elegant and very rare all original Patek Philippe Calatrava 32mm featuring an 18k yellow gold case with an opaline dial. Reference 3720. This unusual Calatrava has a flat rimmed bezel and ultra thin profile.

This watch has model number 3720 and is all original Patek Philippe, except for the band and buckle. The watch is estimated to have been produced in the late 1980s.

Case

The case measures 32 mm wide excluding the crown, and 37 mm tall from lug tip to tip. The crown has the Patek Philippe Calatrava insignia. The silvery white opaline dial has gold baton index markers. The dial is protected by a scratch resistant sapphire crystal. The dial has a rare sigma stamping by Swiss at 6 o'clock.

Bracelet

The watch is on a black leather band and tang buckle

Condition

This Patek has a manual winding movement and is running strong, the watch was recently serviced in house.

The photos are enlarged to show the fantastic condition of the watch. The watch has no dents or dings and shows minor signs of wear in the form of light hairline scratches throughout the case back.

Specifications

Brand: Patek Philippe
Model: Calatrava
Reference number: 3720
Movement: Manual winding
Case material: Yellow gold
Bracelet material: Leather
Year of production: 1985 (Approximation)
Condition: The item shows minor signs of wear, such as small, intangible scratches.
Most Recent Servicing: December 17, 2025
Serviced in-house
Scope of delivery: No original box, no original papers
Gender: Men's watch/Unisex
Location: United States of America, Florida, Ft Lauderdale
Availability: Item is in stock

Caliber

Movement: Manual winding
Base caliber: cal. 177
Number of jewels: 18

Case Details

Case material: Yellow gold
Case diameter: 32 x 37 mm
Thickness: 5.0 mm
Water resistance: 3 ATM
Bezel material: Yellow gold
Crystal: Sapphire crystal

Dial

Dial: Silver
Dial numerals: Lines

Bracelet/Strap

Bracelet material: Leather
Bracelet color: Black
Clasp: Buckle
Clasp material: Steel

Shipping

Order Processing & Shipping

  • Once payment is confirmed, domestic orders are typically processed and shipped within 3 business day.

  • Upon shipping, you will receive a confirmation email with your tracking number.

Shipping

We ship with FedEx Express, fully insured with a tracking number.
All shipments require a signature for release.

Shipments are insured up to the first attempt of delivery. Please reach out to us to confirm a desired delivery date to prevent any lapse in coverage.

Domestic Shipping (U.S.)

  • All items ship fully insured for the full purchase price.

  • Shipping is free for orders over $1,000 (or as otherwise specified).

  • Signature is required on all deliveries.

International Shipping

  • International customers are responsible for any import duties, taxes, customs fees, or brokerage fees.

  • Shipments are sent via secure FedEx Express international service.

  • Delivery times vary depending on destination and customs processing.

Return

At Nicholas Estate Buyers, we want you to feel confident in your purchase. Because we deal in estate, vintage, and high-value luxury items, our return standards are designed to protect both our clients and the integrity of our merchandise.

Return Window

All sales are eligible for a 7-day return policy for any reason, beginning the day you receive the item.

Watches sold as New or Unworn are not eligible for return.

Customs Refusals

We do not accept returns or issue refunds for any package refused at customs.
All international buyers are responsible for understanding and complying with their country’s import laws, taxes, and duties.

Item Condition Requirements

To be eligible for a return, items must be returned in the exact same condition as sent.

The following conditions make an item ineligible for return:

  • Watches that have been opened, tampered with, or serviced by any non-authorized or uncertified party

  • Any item showing signs of wear, alteration, or damage

  • Missing or damaged boxes, pouches, links, tags, documentation, papers, or certificates

Items that arrive altered or damaged, or with missing materials, will not be accepted.

Accompanying Materials

All returns must include every item shipped, including:

Boxes, Papers and certificates, Warranty cards, Booklets, Accessories, Extra links, Branded packaging, etc.

Returns missing any of the above will not be refunded until the missing items are also returned.
If materials are not returned, the return will be denied.

Return Process

  1. Contact us within the 7-day window to request approval and a Return Authorization.

  2. Once approved, ship the item back using a fully-insured, trackable shipping method.

  3. Items must be shipped within 3 business days of receiving approval.

  4. After inspection and verification, refunds will be processed to the original payment method.

Shipping costs from the original order are non-refundable.

Canceled Orders (Before Shipment)

Orders canceled before shipping but after payment is submitted are subject to a 3% credit card processing fee.
This fee covers non-refundable merchant charges collected by payment processors.

Final Sale Items

The following are non-returnable:

  • Custom orders

  • Items resized, engraved, polished, or modified at customer request

  • Watches sold as New or Unworn

  • Any item altered after delivery