Check out this new GShock, the weight is only 47grams !
Has a cool CF strap as well.
Too bad the radio control wave timing cant work in Malaysia.
Link below to official page but in japanese only.
http://www.casio.co.jp/release/2010/gw-s5600/Info below from a blog.
REF:GW-S5600-1JF
MSRP:31500YEN
6 bands radio wave
(Japan,USA,GERMANY,UK,China)