MOVADO rare gents wristwatch DATRON HS 360 Super Sub Sea, self winding, Switzerland around 1975, stainless steel case, neutral screwed-down case back & winding crown, black contrast dial with Tritium, gray sub-dials, display of hours, minutes, constant second, date & chronograph, outer tachometer graduation, unidirectional revolving bezel, central rotor, base calibre Zenith El Primero 3019 PHC, glucydur-balance, flat hairspring, incablock shock-absorber, intermediate wheel chronograph, round pusher, diameter approx. 44 mm, condition 2-3, property of a collector