Where can I find the model number? The Model Number will usually be found on a black swing tag attached to the watch when purchased. The Model Number consists of a 9 digit reference number starting with 2 letters and 4 numbers, a hyphen, followed by 3 digits e.g., (EM0683-55A). Related articles Where can I find the case number? Where would I find my calibre number? How do I get the instruction manual for my watch? Where can I find the case number? When should I register my watch?