Alternate Casio model numbers: GD100MS-3 GD-100MS-3JF GD-100MS-3CR GD-100MS-3DR GD-100MS-3ER GD-100MS-3DR GD100MS-3JF GD100MS-3CR GD100MS-3DR GD100MS-3ER GD100MS-3DR
These are all the exact same watch, but they were labeled differently for each market. Packaging might vary between them.