Vintage Rolex Canadian caseback 3478 vs 3136

[Vlad]

3478 is the model number. The watch should have Type 59 caliber in it.

I have a bunch of 3478, mostly Oyster Watch Co. but one of them is a Tudor. I need to check the numbers, I think I have one with 3135 model (most likely on the case back).

Originally Posted by Canada.Rolex

I have one too. Case back stamped with 6 digit S/N 151xxx(1942) and 3478 which is the movement caliber. Source: http://vintagerolexforum.info/vrf/index3.html
I need parts if you can help.