DUBOIS FRERES
Circa 1940
Men's 2-counter chronograph. Gold dial, Arabic numerals, blued steel baton hands. Movement based on Cal Valjoux 22. Freq 18000 Alt/h. Minute totalizer at 3 o'clock. Tachymeter scale
Case 2 chrome bodies, screwed steel back. Waterproof round push-button. Works, good condition. Diameter 38 mm.