водолаз (vodolaz) betyder dykare så det är inget märke..
Zlatoust är den tredje största staden i Tjeljabinsk oblast i Ryssland och där låg fabriken AGAT som tillverkat dom klockorna. Hur och var dom görs nu vet jag ej
"Zlatoust Diver Watches (Agat). The Agat Factory in Russia has a distinguished history. In the cold autumn of 1941 the First Moscow Watch Facory was transferred from Moscow to the distant Zlatoust (city in Chelyabinsk Oblast, Russia). Installation of the plant commenced in November, and production (military watches, aircraft/tank/submarine clock) started on 25 December 1941. Russian diver watches, large xxl military dive watches, vintage divers watches, Zlatoust 191-chs diver watches."