helbros invincible

[leighb123]

i have a helbros invincible chronodate watch, of which i know very little, i guess its dated early seventies its in full working order ,winder, i have searched the internet and have not come across anything like it, i would be grateful if anyone can shed light on this watch, i have a suspicion that its movement is breitling.black face with two white dials, second dial and  hour dial with a gold body .