http://www.ebay.com/itm/RARE-VINTAGE-CASIO-G-SHOCK-GW-100-ANTMAN-FIRST-ATOMIC-RECEIVE-90S-JAPAN-/110797614737?pt=Wristwatches&hash=item19cc0d6e91#ht_500wt_1127 First atomic, won't get much signal outside Japan though ;)