Helium escape valve

Screw-in crown

Technical data

Crystal: Domed anti-reflective, scratch-resistant sapphire crystal

Case: Steel

Dial: Blue

Water resistance: 30 bar (300 metres / 1000 feet)

Size: Case Diameter: 41 mm


Caliber: Omega 1120

Self-winding chronometer with rhodium-plated finish.

Power reserve: 44 hours

Aesthetic Condition*:

Likely original finish, but extensive signs of use

- We consider this watch, as shown in the pictures, as Very Good


Manufacturers Papers

This watch may also qualify for a FREE Watchfacts Digital Certificate of Authenticity**

In-House Test Results***:

Bench-run for at least 24 hours. All watch functions tested and operable.

Observed rate: keeps good time at -175s/d

Bracelet Sizing: up to 7.5 inches

Serial: 60152XXX

Service History: cant screw crown

*Photos are of the actual watch, are part of the description, and are taken to exceed mid-luxury inspection standards, including Omega and Rolex. Grades are the listing text and pictures summarized into a simple-to-understand score, not to be confused with TZ or other grading systems.

** Most modern models from major brands will qualify. Certificate transferable to future owners. Watchfacts is the leading authenticator of fine watches in the USA.

***Instantaneous measurements using a timegrapher averaged over 6 positions. Use only as a baseline. Your wearing habits will affect results. Unserviced watches are not tested for WR or PR. Bracelet size measured using a ruler or mandrel. A comfortable bracelet size may vary from your measured wrist size. No explicit or implied warranties.

Asking Price: $2,499.00

More pix, 360-degree views, and make an offer here: Omega Seamaster Professional 300M 2531.80


* Paypal, credit cards always accepted

* additional 3% discount on fee-less payments such as Zelle, Chase Quickpay, wire, electronic bank transfer (via Quicken/Intuit) Up to 6 months interest-free, or pay over time up to 36 months with Affirm.




* ground shipping fully insured and signature delivered included in the negotiated price. Forum members get upgraded to 2 days Express for FREE.

* International shipments via FedEx Express International, included in the negotiated price.


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For FASTER service:

- DO refer to the control number (last 5 digits on the listing title) to avoid confusion.

- DO read the listing completely. The Vast majority of your questions are already answered here!

Quick answers to common questions:

* Is the watch still available? Click the link above to check

* Anything not in the pix included? Unless stated otherwise, NO

* Additional Pictures? NO

* F2F? NO

* Part-outs, trades, buy your watch? NO (and no exceptions to the NO!)


Helpful stuff:

* Will this watch look too small/big on me? - How Big is that Watch?

* What’s my wrist size? - http://www.watchvaultnyc.com/Whats-My-Bracelet-Size_b_30.html

* What sort of accuracy should I expect from mechanical watches? - http://www.watchvaultnyc.com/What-Accuracy-Should-I-Expect-From-a-Mechanical-Watch_b_31.html

* How old is this watch? - How Old is my Omega Watch?

* How can I safely buy a pre-owned watch online? - http://www.watchvaultnyc.com/Tips-When-Buying-a-Pre-Owned-Omega-Watch-Online_b_34.html

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