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Is the 745 the same size as the 245?
The 745 is slightly bigger than the 245, but smaller than the 945, each by about a millimeter. 44.4 x 44.4 x 13.9, 43.8 x 43.8 x 13.3 and 42.3 x 42.3 x 12.2. More importantly. Why be concerned what others think and not just buy the watch that's most comfortable and looks best to you?
Unless you have a need to care what others think about the watch on your wrist. It's a Garmin, not a Rolex