Casio is releasing this new DW-5600 model in collaboration with the Fukuoka Softbank Hawks. This G-Shock release coincides with the 20th anniversary of the city of Fukuoka's baseball team. This white DW-5600 model has a custom case back and a few other nice customizations based on the team logo and colors. It can be purchased for around $147 USD on e-casio.jp (English translation). And it is scheduled to ship on May 28th.

SoftBank Hawks DW-5600 collaboration model