Inside backcase : stainless steel 18 M0 watchstrap is not original
Hello Tavino - welcome to myBulova. I wonder if you know the provenance of this watch? Is it a family piece? Do you know where it was bought?
I've looked through our adverts and don't find anything that matches your watch.
Similarities between the early Sea King line, shape of case similar to the SK "M" and has "waterproof" on the dial, handwinding. But also similar to the Surf King line, same jewel count, manual wind, sub-seconds dial.
Could be a "mix'n'match", but it's all original looking to me.
"Unknown", especially annoying since there are so many 1950's and 1960's ads around.
We do have lots of 50's/60's ads now, but surly there are very many more ads out there.
Nice, but Unknown from me for now too.
Case was used with the Bulova 30 "IW" and the Beau Brummel "EEEW".
Thinking International model that may be diffiecult to ID.
In reply to Case was used with the… by mybulova_admin
I think you're right, Stephen. Based solely on the case markings configuration and apparent lack of a 3 letter import code on movement. I agree it's a currently generic 1960 International.
Good call.
Found a close match in the 1964 Intl Line book BAWD0153. Slightly different hands and I believe the Waterproof was added later but l think the case and dial are a perfect match. Four year spread in add vs subject watch could explain the hand change. This confirms an international model and model number 511115 seems like a good ID.

