G-Shock DW6640RE-1 40th Anniversary REMASTER Black Digital contact_us The Promaster Altrichron is sustainably

The Promaster Altrichron is sustainably powered by any light with our proprietary Eco-Drive technology

and the Tough Solar feature is powered by a solar panel designed especially to complement the shape of the DW-8200 dial

Unidirectional black ceramic bezel with SuperLuminova BGW9 markers

The 9R65 caliber

battery-operated instruments are not appropriate for a spacewalk for safety reasons

G-Shock DW6640RE-1 40th Anniversary REMASTER Black Digital contact_us The Promaster Altrichron is sustainablyJoin the 40th anniversary celebrations marking G SHOCK milestones with a selection of signature revivals in solid, time tested all black. In homage to the brand's evolution, these special designs memorialize iconic models from the past with their names hot stamped on the band to textural, indented effect. On the DWE5657, DW6640, and GA2140, a side button is engraved with a star in a nod to the 40th anniversary. The band and bezel of every model in the