With the original black dial, this gold capped watch was the high end of the newly launched Omega Seamaster range. Model reference 2577-7.


From the serial number on the movement we can accurately date this watch to being made in 1949. The Seamaster range was launched in 1948, and the non chronometer version of this reference 2577 watch features in the Omega: A Journey through Time book.


The watch features Omega’s calibre 352, which was an upgraded 28.10. This movement includes bumper automatic mechanism, and an excenter regulator for precise timekeeping. Mainly you find these in Constellation models, and you rarely find a Seamaster that was chronometer rated back then. The dial is unusual too in being black – most were silver, and black dials are often the result of the refinishers work. But this dial has the radium lume pips and hands, as well as the chronometer text that matches the movement. The hands do have some holes in the lume. The case is rose gold capped on top of steel, and wears well. The screw down case back would have helped keep this watch waterproof in 1949, hence the Seamaster name. The crown is the original hex crown, but has lost the gold capping to the end which is probably the worst cosmetic damage on the watch altogether. This configuration of reference 2577 is quite scarce – of the 45 models listed on Chrono24 at time of press, only three were chronometer specification and none of those had the black dial. The leather strap is new, and could be swapped for a different colour if preferred.

This watch will be supplied with our branded presentation box and our Certificate of Authenticity.

Please see the HD video for more detail. All photos and videos are part of the description and are of the actual watch unless mentioned. We do not photoshop any pictures, and the images are copyright of birthyearwatches.com and should not be used without permission.


Width with crown 36.6 mm

Width without crown 34.1 mm

Between lugs 18 mm

Lug to lug length 43.2 mm

Case Thickness 11.6 mm

All sizes are approximate.

Included with this watch is a 3 month guarantee and free delivery to UK addresses. If you live outside the UK we can still deliver to most countries. Please see our Worldwide Shipping information, or Contact Us. Payment can be made by most credit or debit cards, bank transfer or PayPal.

From 1st September 2021 we will be planting a tree for every watch we sell, working with the International Tree Foundation (Est 1922) to make this business positive on carbon. By buying anything pre owned you are effectively reusing what already exists, but this takes it further and makes us feel good.

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