This is a watch my grandfather wore and I inherited (not sure where the watch came from as my grandfather lived his entire life in Barbados). Wasn't working when I received it and I had it serviced and repaired (left the face as is but overall in good condition). Replaced the strap. Keeps perfect time now and I wind it every day or two. I am trying to source the original box it came in via ebay etc. (so far nothing).
Has hand inscribed numbers/letters on inside back case not visible to the eye (hard to see even with magnifying glass)
Center of back face reads 43606
Other things inscribed toward the upper part (SWS 7810) and 1052016 c/o or m/s (really hard to read) and 7-96-W (really hard to read as well)