3063. Precimax. A metal base and stainless steel automatic calendar chronograph wristwatch with jump hour Date: Circa 1970 Movement: 17-jewel Dubois Depraz Cal.1376 automatic, unadjusted Dial: Two tone blue, black outer 1/5th second divisions, white outer tachymetre scale, time displayed through two shaped apertures at 3 and 9, date aperture at 6, subsidiary dial at 11 for 60 minute recording, white centre chronograph hand Case: Brushed rectangular form, screw down back, crown flanked by twin pushers Strap/Bracelet: Black leather strap Buckle/Clasp: steel buckle Signed: Dial and movement Size: 45x35mm