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Rolex 3.00 CTW Diamond and 18K Gold Day-Date Automatic Wristwatch

Item Details

A Rolex 3.00 CTW diamond and 18K gold Day-Date automatic wristwatch. A 1978 distinctive and vintage luxury watch with a white mother of pearl dial that sparkles with ten diamond hour markers, gold baton-style hands, a magnified date window and a day window. This luxury timepiece also has an 18K yellow gold bezel that is highlighted with round brilliant cut diamonds and is displayed on a leather strap style bracelet with a gold plated buckle clasp.

Watchmaker: Rolex
Name Day -Date
Bezel Metal and Crystal Type: 18K Yellow Gold
Caseback Metal Type: 18K Yellow Gold
Movement 1556 Automatic, 26 Jewels
Function Day and Date Windows
Markings On Inside: Montres Rolex S.A., Geneva Switzerland, Patented, 18K 0.750 1803
Estimated Production Year: 1978
Style Vintage
Serial Number/ Model No: 1803

Material: Leather and Plated Buckle
Style/Type: Strap
Clasp Style: Buckle
Markings on Bracelet: Rolex of Geneva
Bracelet Length: 9.25

Count: 35
Shape: Round Brilliant Cut
Color Grade: G – H
Clarity Grade: I1 – I2
Dimensions: 2.80 mm
Total Carat Weight: 2.80 ctw.

Count: 8
Shape: Round Brilliant Cut
Color Grade: G – H
Clarity Grade: SI1 – I1
Dimensions: 1.50 mm
Total Carat Weight: 0.12 ctw

Count: 2
Shape: Baguette
Color Grade: G – H
Clarity Grade: VS2 – SI1
Dimensions: 3.25 mm x 1.25 mm
Total Carat Weight: 0.08 ctw

Gemologist Code: CINNAH
Watchmaker Code: CINCMEW
  • Timekeeping accuracy not guaranteed.
  • This item has been evaluated and verified by an independent Certified Master Electronic Watchmaker and a Graduate Gemologist.
  • EBTH assumes all watches unisex and does not specify the gender of a piece. For size reference, please see the case measurements of the piece listed under Dimensions.
    Standard women’s sizes run between 26mm and 38mm.
    Standard men’s sizes run between 38mm and 50mm.
  • All diamond and gemstone grading is done under GIA standards as the mounting permits, where gemstones are present; where mountings impede accurate measurements, (estimated) dimensions are provided. All weights and measurements are estimated and approximate; where mountings impede accurate measurements, a calculated estimate is provided. Industry standard and accepted treatments for gemstones are assumed unless otherwise noted.
  • Secondhand jewelry may contain minor markings/imperfections throughout.


- running at time of evaluation without detailed testing, future state not guaranteed.
- the bracelet is leather with a plated buckle.
- aftermarket bezel and dial.
- aftermarket bracelet.
- white mother of pearl dial.
- the day and date are not aligned with windows.
- winds rough.


- lug to lug measurement is 44.00 mm.
- case to case measurement is 36.00 mm.
- bracelet measures 9.25” including case.
- the total approximate weight, inclusive of all materials, is 42.10 dwt.

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