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Vintage Hamilton "Thin-O-Matic" 14K Gold Automatic Wristwatch

Item Details

Brand: Hamilton
Style: Vintage
Type: Wristwatch
Model Name: Thin-O-Matic
Bezel Material: 14K Yellow Gold
Case Material: 14K Yellow Gold
Caseback Material: 14K Yellow Gold
Movement: Hamilton Cal. 620 Micro-Rotor (Buren Cal.1005 base), 17 Jewels
Estimated Production Year: Circa 1963
Markings to Inside: Hamilton W. Co., Lancaster PA, Stainless Steel, 14K gold Filled Bezel, S&W, S923559
Clasp Style: Buckle
Bracelet/Fob Length: 8.75"
Bracelet/Fob Material: Leather, Base Metal
Bracelet/Fob Style: Strap
  • Timekeeping accuracy not guaranteed.
  • This item has been evaluated by a Watch Specialist using industry standard testing to ensure metal content and accuracy. All weights and measurements are estimated and approximate​.
  • 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.
  • Pre-owned jewelry may contain minor markings/imperfections throughout.
  • While we represent items accurately on our site to the best of our ability, the color calibration of computer monitors can vary, causing colors to appear slightly different from one monitor to another. Due to this, please note that precise color representation of metal and gemstones is not always possible.


- running at time of evaluation without detailed testing, future state not guaranteed.
- personalized case back.
- scratched case back and crystal.


- lug to lug measurement is 40.00 mm.
- case to case measurement is 34.00 mm.
- the total approximate weight, inclusive of all materials, is 37.30 grams.

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