Quartz

Previous G-Shocks such as the DW-5000, WW-5100, DW-5200 and DW-5400 were released in a ‘silver’ and ‘gold’ variety (the WW-5300 and DW-5500 each exist only in the ‘silver’) but the screwback DW-5600 had nine different model versions between 1987 and 1992.