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Omega Seamaster 300 Master Co-Axial Stainless Steel Automatic Wristwatch

Item Details

Omega Seamaster 300 Master Co-Axial stainless steel automatic wristwatch. A luxury style dive watch that has reinvented itself with a vintage design and modern innovations all with Omega’s reputation for quality. This watch features a stainless steel unidirectional bezel with a black insert and liquid metal numerals set around a sandwich-style dial with vintage Super -luminova, arrow hands and a date window. This stylish watch also features an exhibition case back and a screw-lock crown and is displayed on a leather bracelet with a stainless steel deployment clasp.

Brand: Omega
Type: Wristwatch
Model Name: Seamaster 300 Master Co-Axial
Model Number:
Bezel Material: Ceramic, Stainless Steel
Case Material: Stainless Steel
Caseback Material: Stainless Steel
Movement: Omega Cal.8400 Master Co-Axial Antimagnetic, 38 Jewels
Markings to Inside: Omega Watch Co., GX, Swiss Made, GJF, STZ000753, Stainless Steel
Functions: Date Window, Screw Lock Crown, Unidirectional Bezel
Clasp Style: Deployment
Bracelet/Fob Material: Leather, Stainless Steel
Bracelet/Fob Style: Band
Bracelet/Fob Length: 7.50"
  • Timekeeping accuracy not guaranteed.
  • This item has been evaluated by an independent Watch Specialist using industry standard testing to ensure metal content and accuracy. All weights and measurements are estimated and approximate​ ​(WSRMC/DCCJVS).
  • 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.
  • Secondhand jewelry may contain minor markings/imperfections throughout.


- running at time of evaluation without detailed testing, future state not guaranteed.
- comes with box and manual.


- lug to lug measurement is 48.00 mm.
- case to case measurement is 41.00 mm.

Item #


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