(There are also Gear S3/Gear S3 Frontier/S3 Classic/Galaxy Watch 46mm, Moto 360 Second Generation 46mm, Ticwatch pro/E2/S2/Ticwatch Pro 3, Huawei WatchGT 2 Pro/GT 46mm/WatchGT 2 46mm/ Watchgt2e46mm/watch2classic/watch2pro/gtsport/classic/active, Huami Pace/Huami Stratos, LG W100/LG W110/LG W150 (not suitable) is suitable for Ticwatch S/2 and Huawei watch 2).
eBay