This is a NH6930-09FB AutoZilla promaster watch. This watch is made for Professional divers. This watch has the water resistance up to 1000 meters. Means there is no need to worry about its water resistance at all. The Citizen watches are famous for the eco drive watches which work in solar energy. But this model is not a solar powered watch but it is Automatic Self-winding mechanical movement watch. Like any eco drive watches this watch also does not requires the battery. This is Autozilla watch means it has an automatic movement while another version is Ecozilla which has the eco drive movement.
The watch has a sporty style and it is easy in use. This professional diver’s watch is rated as one of the top divers watch in world. And this model is ISO 6425 Approved. This watch is suitable for mixed gas diving. The case of this Citizen Diver Watch made up of titanium and it has an extension Rubber band. So this can be used with the diving suits. This Citizen Automatic is light weight, approximately 135 g. This is only because of titanium and rubber material used. There is a Helium escape valve in this watch. As the diver watches should be visible in dark places this watch has Photo-luminiscent markers and hands. This is non-radioactive and not harmful. The case of this watch has a thick sapphire crystal with non-reflection coating. There is a unidirectional rotating elapsed time bezel. This bezel is detachable for easy cleaning. You can also note the current day and date over the window present at 3 o’clock hour position. The crown of this watch is Screw down. Overall this watch is good but expensive.