Got ahold of Forerunner 735XT today after looking for a year :) : r/Garmin
Amazon.com: For Garmin Forerunner 735XT/220/230/235/235 Lite/620/630 Silicone Replacement Wrist Watch Accessory Band Strap for Garmin Forerunner 235 Smartwatch Men Women : Electronics
Amazon.com: Garmin Forerunner 645 Music, GPS Running Watch With Pay Contactless Payments, Wrist-Based Heart Rate And Music, Black : Hawley: Electronics