The third G-Shock of the year is the venerable DW-5600E.
This one should be in any G-Shock collection. The 5600 is a direct decendant of the original G-Shock, the DW-5000C.
Casio's G-Shock brand really took of 25 years ago after the famous "slap shot" commercial. You can see it along with some corporate G-Shock history on this page: http://www.casio-intl.com/wat/g_shock/his.html
