Vintage Seamaster Calendar - First Vintage, any info?

Lazzari · Jun 23, 2026

Apologies if this isn't the correct way to post this.

I just bought this vintage seamaster calender, circa 1956-1958, with the original box and papers.

I was wondering if any of you could take a look and see if it "looks" legit. After vacation I'd like to see if I can find a way to verify it.

Let me know your thoughts...

SOG53 · Jun 23, 2026

Looks all original and fine shape to me.
Take to experienced watchmaker to open back and you can confirm reference number 2849 inside Caseback and cal 503 movement. And confirm Serial number on papers matched SN on movement.
Looks like you did well!

Lazzari · Jun 23, 2026

SOG53
Looks all original and fine shape to me.
Take to experienced watchmaker to open back and you can confirm reference number 2849 inside Caseback and cal 503 movement. And confirm Serial number on papers matched SN on movement.
Looks like you did well!

Sweet! That sounds like a plan to me, thank you.

Vintage Seamaster Calendar - First Vintage, any info?

Lazzari

SOG53

Lazzari

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