Epos 3504 Titanium PVD The Epos 3504 Titanium PVD (official name- Epos 3504 Diver COSC LE) is the latest 500m diver from the Swiss watch brand. Late last year Epos introduced an all-new titanium collection of the Epos 3504, with an all-titanium case, a few different dial colors, and a choice of a bracelet, a nato strap, or a fitted rubber. All of the titanium watches come with a Sellita SW200-1 au...