Seamaster

I guess that is indeed possible. The 10m serial watch in the thread I linked to doesn't stand up to scrutiny after further inspection. I will keep looking and see if I can find anything more persuasive. The big issue here is how vague the Omega Vintage database is, the earliest Seamasters on there are listed as 1949 so it is no help at all, though many of those have the text. I personally think we will find a '48 branded one but I think there is enough evidence to suggest that from 1949 there were branded watches.

AJTT has these two listed as 1948 models

The chronometre is a stunner 🥰

Those are the images shown in the earlier link to the publicity for the 2018 1948 watch.

All the early ads I’ve seen for Seamaster show dials with only “Omega Automatic” on the dial. “Officially Certified” for chronometers wasn’t added until 1951, so you have to take the AJTT listing with a grain of salt, as they say.

The earliest Seamaster I can find with the model name on the dial has a low 12M serial number.

That would put it around 1952, close to first Constellations.

If someone can show me a Seamaster with the name on the dial and an Extract from Omega showing a 1948 delivery date, I’ll gladly stand corrected.

Hope this helps,
gatorcpa