This is an working wrist watch. Check the back face for insignia, date of issue, and serial numbers.

 

Case: Metal stainless steel case w/ screw back, watch size 35 mm w/o crown and 40 mm lug to lug.

 

Dial: Black colour dial with silver colour baton numerals and hands. It has a Luminous Glow in the Dark Dial lighting up both the numerals and hands.