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The Encyclopedia of Horology

Wristwatch · Calatrava

Patek Philippe Calatrava Reference 2450

Partially verified

This Patek Philippe Calatrava wristwatch, reference 2450, is produced in 18k yellow gold with a 35mm case. The case, manufactured by Emile Vichet, features a mono-bloc design with a snap-back closure. The watch contains a hand-wound caliber 12-400 movement. The silver dial is configured with a small seconds sub-dial at the lower half and applied gold-toned markers described by the maker as "raised hour markers," accompanied by gold dauphine hands. The signature "Patek Philippe" is rendered in black enamel. This timepiece is accompanied by an Extract from the Archives confirming a 1948 date of manufacture and a 1949 date of sale. The watch is presented on an original Patek leather strap with an 18k gold pin buckle and includes a period-appropriate travel box, with recent service documentation from 2023.

A 35mm Patek Philippe Calatrava reference 2450 in 18k yellow gold with a silver dial, shown on a leather strap.
A 35mm Patek Philippe Calatrava reference 2450 in 18k yellow gold with a silver dial, shown on a leather strap. — Bulang & Sons. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
www.bulangandsons.com
Category
Wristwatch · Calatrava
Maker / attribution
Patek Philippe
Reference
2450
Catalogue / lot identifier
Source URL identifies the listing
Source-reported date
1948
Source-reported place
Switzerland
Source-reported serial
962xxx / 655xxx

Source-reported attribution and specifications are not independent authentication. A listing does not establish present ownership, current display, availability or permission to reproduce.

Object description

Case and Dial Design

The Patek Philippe reference 2450 features a 35mm diameter case constructed from 18k yellow gold. The case construction utilizes a mono-bloc design with a snap-back mechanism, attributed to manufacturer Emile Vichet.

The silver dial incorporates a small seconds sub-dial positioned at the lower half of the dial face. It is adorned with applied markers described as raised hour markers and gold dauphine hands. The "Patek Philippe" signature is applied in black enamel.

Evidence for this section
  • “The 35mm case was made by Emile Vichet for Patek Philippe and features a mono-bloc case with a snap-back.”
  • “And of course, the black enamel “Patek Philippe” signature adds the final touch of class”
  • “There is also a nice small second at the lower half of the dial with, as Patek calls it, “raised hour markers.””

Movement and Documentation

This watch is powered by a hand-wound movement. While the text refers to the caliber 12-120 in the historical description of the first series, the specifications indicate the watch is equipped with the caliber 12-400.

The watch is accompanied by an Extract from the Archives. This document verifies the manufacturing year as 1948 and identifies the year of sale as 1949. Recent servicing is documented by an invoice dated 2023 from Patek Philippe in Geneva.

Evidence for this section
  • “This example is from the first series of the reference and is equipped with the caliber 12-120. The second series featured the caliber 12-400.”
  • “Extract from the Archives stating date of manufacture: 1948, sold in 1949”
  • “Fully serviced by Patek Philippe, invoice included in the sale”

Included Accessories

The timepiece is offered with its original Patek Philippe leather strap, which includes an original 18k gold pin buckle.

Also included is an original Patek leather travel box intended for the watch.

Evidence for this section
  • “The watch comes on its original Patek leather strap, complete with an original 18k gold Patek pin buckle.”
  • “Additionally, there’s a fine little original Patek leather travel box for this beautiful Calatrava”

Open research questions

  • Confirm if the movement is a caliber 12-120 or 12-400 as the source provides contradictory information.
  • Verify the case manufacturer's marks visible on the case body.

Source evidence

Recorded claims and source quotations for Patek Philippe Calatrava Reference 2450
FieldSource-reported valueSource quotation
MakerPatek Philippe“Vendor: Patek Philippe”
Reference2450“Patek Philippe Calatrava reference 2450”
Case Material18k yellow gold“35mm yellow 18k gold case”
Manufacturing Date1948“Extract from the Archives stating date of manufacture: 1948”
MovementCaliber 12-400“Caliber 12-400 hand-wound movement”
Case ManufacturerEmile Vichet“The 35mm case was made by Emile Vichet for Patek Philippe”
Serial Numbers962xxx / 655xxx“Movement no. 962xxx / case number 655xxx”

Visible details

  • Applied indices on dial
  • Small seconds sub-dial at 6 o'clock position
  • Yellow gold crown
  • Dauphine-style hands

Research qualifications

  • Discrepancy between text stating it is a first series with caliber 12-120 and later listing caliber 12-400
  • Exact serial number hidden by placeholders

Photograph identity and source facts were screened before import; rights clearance remains pending.

Consulted source

ساعت مچی Patek Philippe Calatrava رفرنس 2450 طلا ۱۸ عیار

Reviewed 2026-11-02 · Record c0219f1aef

Terms in this record

Glossary explanations for terms named in this object’s record.

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