GA-100RC-1A Case Color_Carbon/ Resin Black The heart rate measurement function

The heart rate measurement function is intended for recreational use only and may not be used for medical purposes

innovation and a drive for pure excellence in their timepiece designs

target heart rate setting

matte texture

battery life: 5 years on SR927SW

GA-100RC-1A Case Color_Carbon/ Resin Black The heart rate measurement functionStrengthen your look with G SHOCK in a design evoking rusted iron that stands the test of time. These watches pay homage to the undying G SHOCK quest for the ultimate toughness in neoclassic black and rust designs evoking the sheer tenacity of rusted iron. Sepia tones inspired by the textural look of rusted metal nicely complement the base black. Accents in light blue make for timeless style with a rustic flair. Weight 72 g Case and bezel material