Greetings! I've had Casio watches since the early 1980's. My first was the Melody model (that was stolen from my tool box at work), the rest I still own. They are: the pre-G Shock DW1000, 2 DW 5600's (both modules), 2 DW5600E's and a DW 6900. I pulled the older ones out of storage and I am...