Matthey Tissot stainless steel boy’s size military style 31mm calatrava case with screw down case back circa late 1940’s with beautiful original 2 tone silver dial with luminous indexes and mirror track and luminous pencil hands. Powered by 17 jewel manual wind movement with subsidiary seconds. “Triple signed;” case, movement, and dial. Offered on your choice of sporty style strap. A smallish man’s model, or a great sporty vintage model for a woman.