A lot of G-shock Casios, seller says they are mostly japan-only.
Particuary interesting is this G-shock BMMB. Looks heavy.

Also very interesting is [URL=http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&rd=1&item= 5041726463]this[/URL] , also here magazin from 1997 with a lot of casio's, including CD401,DB1000,DB2000,DBX100GA,DBA900,DKW100,VDB100,VDB1000,VDB2000,VDB3000,AA81,IA1000,DBF50... price is high (shipping) but pictures are nice