Casio G-Shock FULL METAL 2100 Series Black Dial Men 44.4mm G1638 GM-B2100SD-1A Size Case:44.4mm With a stopwatch that measures

With a stopwatch that measures to the 1/10 second as well as 100-meter water resistance

It features a round dial and a complementary stainless steel bracelet which enhances its appeal

Conforming to professional ISO diving specifications

The Casio calculator model

An anti-magnetic Nivachron™ hairspring ensures that everything stays extremely precise and reliable

Casio G-Shock FULL METAL 2100 Series Black Dial Men 44.4mm G1638 GM-B2100SD-1A Size Case:44.4mm With a stopwatch that measuresIntroducing a full metal addition to the continually evolving 2100 style of timepieces that inherit the legacy of the first ever G SHOCK, the DW 5000C. Luxe full metal construction with a screw back case, bezel, and band crafted in stainless steel creates a streamlined, minimalist design, while protecting the module from impact when dropped. High density mounting keeps the analog digital combination module slim, while still providing the advanced