treal512Regarding fit, this guide below should help you.
When you join the drop, you'll be given options for strap width/taper and length to choose from:
https://strapsco.com/size-guide/
treal512You're welcome!
Also, I forgot to mention that you may also find your watch's lug width in its website description, as it's usually included there.
Also, is it me or does the 'grey' model have a slight green hue? I like it, but just curious.