Sony Original Replacement Sony Battery SWR50 For SONY Smart Watch 3 SW3 SWR50 3SAS Authentic Rechargeable Battery 420mAh|Mobile Phone Batteries| - AliExpress
Sony Smart Watch SW2 Battery Replacement - iFixit Repair Guide
Sony SmartWatch 3 – Battery Life and Verdict Review | Trusted Reviews
Sony Smartwatch 3 review: great design, good screen and decent battery | Sony | The Guardian