Reddit reviews Spigen Rugged Armor Designed for Apple Watch Case for 38mm Series 3/Series 2/1/Original (2015) - Black
We found 2 Reddit comments about Spigen Rugged Armor Designed for Apple Watch Case for 38mm Series 3/Series 2/1/Original (2015) - Black. Here are the top ones, ranked by their Reddit score.
Flexible TPU allows quick and easy installationDurable build with a raise of 1.2mm to protect screenAluminum button for solid feedback and an easy pressScreen Protector NOT includedApple Watch Case Compatible with Apple Watch Series 3/2/1/Original(2015)/Nike+ Sport Edition 38mm
Buy one of these.
https://www.amazon.co.uk/dp/B00UVSO3S6/ref=cm_sw_r_sms_awdb_N1QVzbV4QEVBV
Looks fine for gym, and will protect your s/s watch from scuffs and scrapes. A lot cheaper than buying a whole other watch, even if it's a Series 1
I think this is what you are talking about. Amazon carries them. Apple Watch snap on case