TISSOT T12 Electronic Compressor Diver Date gents wristwatch in steel/stainless steel bracelet, Switzerland around 1970, two piece construction case, snap on case back, inside- turning bezel by winding crown at 2, hand setting by winding crown at 4, blue dial spotty, silvered indices & hands, date at 3, gold plated electro-mechanical movement calibre ESA 9154, 13 jewels, precision adjustment, diameter approx. 44 mm, length approx. 19 cm, needs to be overhauled, condition 2-3