Watch Reference by S. V.
  • Brands
    • Audemars Piguet
    • 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
  • 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 Metal Codes
      • Rolex Reference Numbers (6-Digit)
      • Seiko Serial Numbers with Production Dates and Movement Types
    • 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
    • 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
  • 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 Metal Codes
      • Rolex Reference Numbers (6-Digit)
      • Seiko Serial Numbers with Production Dates and Movement Types
    • Hallmarks
      • Dating English Hallmarks on Silver and Gold
  • Contact

Posts by author

svahabi

25 posts
  • Rolex

Rolex GMT-Master 16750

The Rolex GMT-Master 16750 is a highly regarded model in Rolex’s GMT-Master series, offering a perfect blend of modern advancements and vintage aesthetics. Produced between 1979 and 1988, it served…
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  • Rolex

The Complete Guide to Rolex Daytona References

Rolex Daytona, a name synonymous with precision, luxury, and racing heritage, has captivated watch enthusiasts and collectors since its debut in 1963. This comprehensive guide delves into the myriad of…
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UNIVERSAL GENEVE SPLIT SECONDS CHRONOGRAPH MADE FOR THE ITALIAN AIR FORCE (Photo from Christies)
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  • Universal Genève

Universal Geneve Serial Numbers with Production Dates

Only partial serial number data exists for Universal Geneve watches. Very few records exist of early production history. This is an unofficial history. Information provided for educational purposes only.
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  • Hallmarks

Dating English Hallmarks on Silver and Gold

Hallmarks are small markings stamped on gold, silver and platinum articles. A British Hallmark means that the article has been independently tested and guarantees that it conforms to all legal…
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  • Rolex

Rolex Metal Codes

Depending on the age of the watch, Rolex reference numbers can range from four digits to six digits in length. While all of the digits have significance and help describe…
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  • 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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Featured Content
  • 1
    • Rolex
    Rolex GMT-Master 16750
  • 2
    • Rolex
    The Complete Guide to Rolex Daytona References
  • UNIVERSAL GENEVE SPLIT SECONDS CHRONOGRAPH MADE FOR THE ITALIAN AIR FORCE (Photo from Christies) 3
    • Universal Genève
    Universal Geneve Serial Numbers with Production Dates
  • 4
    • Hallmarks
    Dating English Hallmarks on Silver and Gold
  • 5
    • Rolex
    Rolex Metal Codes
Recent Content
    • Panerai
    Panerai Pre-Vendome Models
    • Vacheron Constantin
    Vacheron Constantin Serial Numbers with Production Dates
  • Patek Philippe-Nautilus Ref. 71181450G-001
    • Patek Phillippe
    Patek Philippe Caliber Numbers
Brands and Categories
  • Audemars Piguet (3)
  • Hallmarks (1)
  • Longines (1)
  • Omega (2)
  • Panerai (2)
  • Patek Phillippe (3)
  • Rolex (7)
  • 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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