Watch Reference by S. V.
  • Brands
    • Audemars Piguet
    • IWC
    • Longines
    • Omega
    • Panerai
    • Patek Phillippe
    • Rolex
    • Seiko
    • Universal Genève
    • Vacheron Constantin
    • Zenith
  • Reference Points
    • Audemars Piguet
      • Star Wheel
        • Audemars Piguet Star Wheel 25720BA
    • Rolex
      • GMT-Master
        • Rolex GMT-Master 6542
        • Rolex GMT-Master 16750
    • Vacheron Constantin
      • 222
        • Vacheron Constantin 222 – Ref. 44018/411
        • Vacheron Constantin 222 – Ref. 46004/411
    • Zenith
      • El Primero
        • Zenith El Primero A386
  • History & Technical Guides
    • IWC
      • IWC Portugieser Ref. 325
      • IWC Ingenieur SL Ref. 1832
    • Omega
      • Omega Speedmaster Ref. CK2915
  • Tables
    • Production Dates
      • Audemars Piguet Serial Numbers with Production Dates
      • Longines Serial Numbers with Production Dates
      • Omega Speedmaster Serial Numbers with Production Dates
      • Panerai Serial Letters with Production Dates
      • Patek Philippe Serial Numbers with Production Dates
      • Rolex Clasp Codes with Production Dates
      • Rolex Serial Numbers with Production Dates
      • Seiko Serial Numbers with Production Dates and Movement Types
      • Dating English Hallmarks on Silver and Gold
      • Vacheron Constantin Serial Numbers with Production Dates
    • Manufacturer Codes
      • Omega Metal Codes
      • Patek Philippe Caliber Numbers
      • Patek Philippe Metal Codes
      • Rolex Country Codes
      • Rolex Metal Codes
      • Rolex Reference Numbers (6-Digit)
      • Seiko Serial Numbers with Production Dates and Movement Types
    • Models
      • Panerai Pre-Vendome Models
    • Hallmarks
      • Dating English Hallmarks on Silver and Gold
  • Contact
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Watch Reference by S. V.

All About Watches, Serials, Reference Numbers & Specs

Watch Reference by S. V.
  • Brands
    • Audemars Piguet
    • IWC
    • Longines
    • Omega
    • Panerai
    • Patek Phillippe
    • Rolex
    • Seiko
    • Universal Genève
    • Vacheron Constantin
    • Zenith
  • Reference Points
    • Audemars Piguet
      • Star Wheel
        • Audemars Piguet Star Wheel 25720BA
    • Rolex
      • GMT-Master
        • Rolex GMT-Master 6542
        • Rolex GMT-Master 16750
    • Vacheron Constantin
      • 222
        • Vacheron Constantin 222 – Ref. 44018/411
        • Vacheron Constantin 222 – Ref. 46004/411
    • Zenith
      • El Primero
        • Zenith El Primero A386
  • History & Technical Guides
    • IWC
      • IWC Portugieser Ref. 325
      • IWC Ingenieur SL Ref. 1832
    • Omega
      • Omega Speedmaster Ref. CK2915
  • Tables
    • Production Dates
      • Audemars Piguet Serial Numbers with Production Dates
      • Longines Serial Numbers with Production Dates
      • Omega Speedmaster Serial Numbers with Production Dates
      • Panerai Serial Letters with Production Dates
      • Patek Philippe Serial Numbers with Production Dates
      • Rolex Clasp Codes with Production Dates
      • Rolex Serial Numbers with Production Dates
      • Seiko Serial Numbers with Production Dates and Movement Types
      • Dating English Hallmarks on Silver and Gold
      • Vacheron Constantin Serial Numbers with Production Dates
    • Manufacturer Codes
      • Omega Metal Codes
      • Patek Philippe Caliber Numbers
      • Patek Philippe Metal Codes
      • Rolex Country Codes
      • Rolex Metal Codes
      • Rolex Reference Numbers (6-Digit)
      • Seiko Serial Numbers with Production Dates and Movement Types
    • Models
      • Panerai Pre-Vendome Models
    • Hallmarks
      • Dating English Hallmarks on Silver and Gold
  • Contact

Posts by author

svahabi

30 posts
  • Rolex

Rolex Reference Numbers (6-Digit)

A guide to quickly identify the current six-digit Rolex references. The 1st Digit of the Reference Number As mentioned above, a one was placed before the existing numbers with the…
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  • Vacheron Constantin

Vacheron Constantin 222 – Ref. 46004/411

The integrated sports watch ref. 222 was launched in 1977 to mark the 222nd anniversary of the venerable brand’s founding and is the result of the work of Jörg Hysek…
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  • Rolex

Rolex GMT-Master 6542

No other watch so immediately evokes the glamourous world of 1950s international air-travel as the Rolex GMT-Master. Advertised at the time as being “the ideal watch for air-pilots, ships’ captains,…
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  • Vacheron Constantin

Vacheron Constantin 222 – Ref. 44018/411

Reference 222 was launched in 1977 to celebrate the manufacturer’s 222nd year of continues watch manufacture. It was made in a limited edition of 500 examples in stainless steel, 120…
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  • Panerai

Panerai Serial Letters with Production Dates

Panerai case backs are very helpful providing lots of useful information that can be used to identify and age a watch. The majority of Panerai Watches will have the following…
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  • Panerai

Panerai Pre-Vendome Models

‘Pre-Vendôme’, meaning the period between 1993-1997 prior to Panerai being acquired by the Vendôme Group (now Richemont).
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  • Vacheron Constantin

Vacheron Constantin Serial Numbers with Production Dates

Only partial serial number data exists for Vacheron Constantin watches. Very few records exist of early production history. Note that Vacheron watches are frequently copied, so you should never purchase…
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Patek Philippe-Nautilus Ref. 71181450G-001
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  • Patek Phillippe

Patek Philippe Caliber Numbers

The letters in Patek Philippe caliber numbers signify the complications and functions of the movement.
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Patek Philippe Ref. 5236P-001 Caseback
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  • Patek Phillippe

Patek Philippe Metal Codes

The letters in Patek Philippe reference numbers and movement codes are abbreviations of French words.
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Gobbi retailed Patek Philippe Reference 2523
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  • Patek Phillippe

Patek Philippe Serial Numbers with Production Dates

The serial number on a Patek Philippe watch can be found in different places, but it is always engraved somewhere on the case back. If it has a see-through case…
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Posts pagination

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Featured Content
  • CK2915 (Photo from Revolution Watch) 1
    • Omega
    Omega Speedmaster CK2915: The First Speedmaster in Unprecedented Detail
  • IWC JUMBO INGENIEUR SL, REF 1832 CIRCA 1978 (Photo from Sothebys) 2
    • IWC
    IWC Ingenieur SL Reference 1832 “Jumbo”: A Detailed History and Technical Guide
  • IWC 325 Missing Link (Photo from Phillips) 3
    • IWC
    IWC Portugieser Reference 325: A Complete History and Technical Guide
  • Reference 5218-201/A Luminor Logo 'Pre-Vendome' (Photo from Sothebys) 4
    • Panerai
    Panerai Pre-Vendome Models
  • 5
    • Rolex
    Rolex Country Codes
Recent Content
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    Rolex GMT-Master 16750
    • Rolex
    The Complete Guide to Rolex Daytona References
  • UNIVERSAL GENEVE SPLIT SECONDS CHRONOGRAPH MADE FOR THE ITALIAN AIR FORCE (Photo from Christies)
    • Universal Genève
    Universal Geneve Serial Numbers with Production Dates
Brands and Categories
  • Audemars Piguet (3)
  • Hallmarks (1)
  • IWC (2)
  • Longines (1)
  • Omega (3)
  • Panerai (3)
  • Patek Phillippe (3)
  • Rolex (8)
  • Seiko (1)
  • Universal Genève (1)
  • Vacheron Constantin (3)
  • Zenith (1)
Watch Reference by S. V.
All About Watches, History, Specs, Serial & Reference Numbers

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