This is listed as the Fenix 5 Plus on Garmin’s site. The images on this page will disappear if Garmin removes them on their site.
Source: https://explore.garmin.com/en-US/garmin-pay/, via @Carlito
This one might be as well from the same page. 5S perhaps? (note bolt heads on bezel image above)
Garmin Pay’s awesome trio, with the new Vivoactive 3 Music in the middle and it looks like the 645 on the right:
This link might one day do something interesting if only product 603267 existed: https://buy.garmin.com/en-GB/GB/catalog/product/compareResult.ep?compareProduct=552982&compareProduct=603267
And then we have this