Leaker says that Samsung Gear S4 will have bigger battery, gold variant
Samsung Gear S4
Wireless Fast Charging Base For Samsung Gear S4/s3/s2 Frontier Classic Watch Dock With Cable For Galaxy Watch S4/s2/s3 46mm/42mm - Wireless Chargers - AliExpress
Hands-On: The Samsung Gear S3 Smartwatch Classic And Frontier (Designed By The Guy Who Brought You The Titanic DNA Watch From Romain Jerome) - Hodinkee
Amazon.com: FitTurn Compatible with Gear S3 Frontier SM-R760 Case,Soft TPU Fashion Metal Color Frame Shock Resistant Proof Cover Protector Shell for Samsung Gear S3 Frontier SM-R760, Galaxy Watch 46mm SM-R800 : Cell