Samsung Galaxy Gear S2 42mm Stainless Steel Case black SM-R720 FREE SHIPPING | eBay
Amazon.com: Gear S2 Watch Lugs, Gear S2 Watch Connectors, Gear S2 Watch Adapter, AISPORTS Compatible for Samsung Gear S2 Stainless Steel Metal Replaceable Connectors for Samsung Gear S2 SM-R720 & SM-R730, Black :
Original Motherboard For Samsung Gear S2 R720 / R732 Sm-r720 Sm-r732 Mainboard Watch Motherboard Original Main Board Repair Part - Mobile Phone Antenna - AliExpress