GOLD UNIVERSAL GENEVE UNI-COMPAX WITH CHRONOGRAPH REF. 12445, 40S Three body 18K gold case, n. 1624262, concave lugs, sloped bezel, snap on back, Universal winding crown and rectangular pushers. Not original strap and buckle.
Silvered dial signed, applied triangular indexes, Arabic 12 and 6 hour numerals, minute and 1/5th second divisions, blue outer tachymetric scale, engine turned subsidiary seconds dial and 45-min register. Gilt feuille hands. 
Signed manual winding movement, rhodium-plated caliber 285, column-wheel system for the chronograph, lever escapement, monometallic balance with screws, Breguet hairspring.
Fitted with vintage Universal Genève box.
Diameter Ø: 34 mm
Note: working, but a servicing is suggested.