Here is a Watch that came in for a service and the owner was wanting some more info. like age and value which you can email me..

The case is a Dennison 18k that measures 40mm lug to lug and 38mm side to side not counting the crown

the movement is 16 jewel and of high quailty i was amazed at how good it runs..

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That base metal ring for holding the movement in the case is different, an innovative way of using less gold. Is the depression in the back deeper than the usual case of this style one sees?

John
the metal movement holder is held by 4 screws and the back is deeper than that on a 3 piece case..