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Omega Speedmaster Professional Chronograph Moon Phase Wristwatch

Item Details

Brand: Omega
Type: Wristwatch
Model Name: Speedmaster Professional Moon Phase
Model Number: Ref. #3575.20.00
Serial Number: 77,XXX,XXX
Lug to Lug (mm): 48
Case to Case (mm): 40
Bezel Material: Stainless Steel
Case Material: Stainless Steel
Caseback Material: Stainless Steel
Movement: Omega Cal.1866, Manual Wind, 18 Jewels
Estimated Production Year: 1999
Markings to Inside: Acier Inoxydable Omega Watch Co., Fab Suisse Swiss Made
Functions: Date, Moon Phase Indicator, Subdials
Bracelet/Fob Material: Stainless Steel
Bracelet/Fob Style: Three Link
Clasp Style: Deployment
Total Length: 7.25"
  • Timekeeping accuracy not guaranteed.
  • This item has been evaluated and verified by a Certified Master Electronic Watchmaker.
  • 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.
- this watch celebrates the moon landing on the case back.
- 12-hour subdial.
- 30-minute subdial.
- 60-second subdial.
- date with moon phase dial at 12 mark.
- includes box with an operating instructions booklet.

Item #


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