The Garmin Enduro 4 was a no-show at the Fenix 9 launch — but a fresh leak suggests the mega-battery smartwatch could be imminent

Garmin Fenix 8 vs Enduro 3 comparison.

• The Garmin Enduro 4 might have appeared in a new leak
• Details emerged in Indonesian regulatory filings
• The device might arrive before the end of 2026

We’ve barely had time to catch our breath after the Garmin Fenix 9 and Fenix 9 Pro announcement, but here comes news of another high-end Garmin watch looming over the horizon. Only this time, it’s not an official announcement that has shone a light on the device, but instead an intriguing leak that Garmin would probably rather you didn’t see.