Casio green jelly Baby-G wristwatch uniquely designed for the International Dolphin & Whale Eco Research Network. This 37 mm watch is water resistant to 200 meters and features 12/24 hour clock, day, date, world time, day counter, telememo, stopwatch, alarm, light and city code as well as unique transitional blips special to this limited edition. The comfortable jelly rubber sport band fits up to an 8.5 inch wrist.