The hybridization experiments continue. This time with a GW M5630A and a GW M5630D:
I went with the red keeper because I thought it played off the red on the dial, plus I didn't think the original gold keeper looked right since the buttons and buckle are black.
Here's the other:
Between the two I like the yellow bezel version better, although not 100% sure about the carbon strap or red keeper, maybe a plain black strap with a yellow keeper?