This is a used steel case ref. 196.0115.
Case
dimensions.
Diameter: 37mm
Lug to lug: 42mm
Thickness: 9mm
Lugs width: 20mm
Takes a quartz 1342 movement.
Back cover is engraved as this watch was presented to someone in 1982 for 25 years of work at the road inspectorate in Switzerland.