The new, no-nonsense Citizen Promaster Mechanical Diver 200M NB6021
Promaster Dive Automatic Black Dial Polyurethane Strap NB6021-17E | CITIZEN
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Citizen Promaster Automatic Mens 200m Dive Watch NB6021-17E
My Eastern Watch Collection: Citizen Promaster Dive Automatic SUPER TITANIUM NB6021-68L 'Fujitsubo' (similar to NB6021-17E) - A very Usable Watch, A Review (plus Video)