CASIO Casio G-SHOCK GM-S5640GEM-7JR 40th Anniversary Brand new, unused G-Shock Lucky Bag [Brand] CASIO G-SHOCK [Model] GM-S5640GEM-7JR [Color] Multicolor [Condition] Unused (only opened) Since its birth in 1983, G-SHOCK has pursued toughness and celebrates its 40th anniversary in 2023 with the limited edition "G-SHOCK 40th Anniversary Adventurer's Stone" series. With the concept of gemstones that have guided adventurers, the metal bezel features IP coating and masking technology to express its brilliance. In addition, the band uses skeleton materials and hot stamping* to achieve a unique texture. The dial features "SINCE 1983" to commemorate the 40th anniversary, and the case back features the 40th logo by Eric Haze, who also designed the G-SHOCK 25th, 30th, and 35th logos. The band loop is engraved with a star mark representing "40," making it a fitting specification for a limited edition model.