GWS-900-4JR

source: http://products.g-shock.jp/watch_detail.php?m=GWS-900-4JR&n=1422

GW-9200RDJ-4

source: http://www.casio.com.tw/wat/product_3.php?TRE_ID=934

DW-9300GA-4T

source: http://products.g-shock.jp/watch_detail.php?m=DW-9300GA-4T&n=526

GW-9400RDJ-4JF

source: http://products.g-shock.jp/watch_detail.php?m=GW-9400RDJ-4JF&n=6144

GW-9400RD-4

source: http://www.casio-intl.com/in/en/wat/watch_detail/GW-9400RD-4-4/

GW-9400FBJ-4JR

source: http://products.g-shock.jp/watch_detail.php?m=GW-9400FBJ-4JR&n=6561

GW-9300RD-4JF

source: http://products.g-shock.jp/watch_detail.php?m=GW-9300RD-4JF&n=6145