G-Shock is releasing three Project Team 'Tough' screw-back squares for the 40th Anniversary
G-Shock Casio G-Shock 40th Anniversary Recrystallized Black Ion-Plated Stainless Steel and Resin Band Limited Edition Watch | DW-5040PG-1 | Bridge Street Town Centre
40th Anniversary Recrystallized Series honors the original G-Shock with watches made of hardened steel