Rolex

I have an old Rolex, I have been told by one dealer it was from the 1930's, and from another it was from the 1950's. What is the best and easiest, and cheapest way to find out, the details of my watch? Unfortunately I do not have any paperwork for it, as ... 

but the model reference would help. Please check the Help Desk to post pictures: helpdesk.watchprosite.com

I'll post a pic and maybe you can give me more info. What about the 1st part of the question? A good place(not to pricey) to get the info and appraise the watch. Im in west LA, Ca. Thank you! AR

as soon as I have a picture. Here's a serial number vs year chart...  

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