G-Shock GA2100SRS-7A Casioak Transparent Brilliant Iridescent closeouts Radio-controlled quartz movement automatically updates

Radio-controlled quartz movement automatically updates to correct time while the Eco-Drive® technology harnesses the power of any light source so it never needs a new battery

plus an extension strap

We use the newest technologies to produce this collection of timepieces with renewable raw materials

waves and fun sailing

PRO TREK teams up with MAMMUT for a whole new singular collaboration commemorating the Swiss outdoor brand's 160th anniversary

G-Shock GA2100SRS-7A Casioak Transparent Brilliant Iridescent closeouts Radio-controlled quartz movement automatically updatesImmerse yourself in brilliant iridescent color, the first ever G SHOCK with full surface gradated crystal finish evoking reflected sunlight. Rainbow vapor deposition reproduces the midsummer sky at dusk, changing hue moment by moment depending on the light. Each crystal gleams with a singular radiance, delivering one of a kind timepieces, each with its own unique color pattern. Case size (L W H) 48. 5 45. 4 11. 8 mm Weight 51 g Case and bezel material