Casio G-Shock GA900-4A Heavy Duty Ana-Digital Red siko A tritium gas tube is

A tritium gas tube is placed on each hour marker and on all hands

day and date indications

Viton™ & perforated leather hybrid strap

＊The PolarTM word mark and logos are registered trademarks owned by Polar Electro Oy

Casio G-Shock GA900-4A Heavy Duty Ana-Digital Red siko A tritium gas tube isG SHOCK announces a new lineup of heavy duty models that are great for wear in tough environments and as street fashion items as well. The industrial design motif of these models is created by a 10 sided bezel that resembles the shape of a nut. The bezel is secured by four screws for a tough and rugged look. Combination timekeeping is provided by analog hands along with a digital display for the ultimate in operational ease. The design of the hands