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DevilsBreathProtect

Casio Pro Trek Smart WSD-F20

Other Wear OS watches · catalog updated 2026-10-21

All supported devices
Brand
Other Wear OS watches
Kind
Wear OS watch · released 2017-04 · last update Wear OS 2
Model codes
CASIO WSD-F20, CASIO WSD-F20S

Ships with Android Wear 2.0; last update Wear OS 2. Snapdragon Wear 2100, so no Wear OS 3 (Google offered it only to Snapdragon Wear 4100 watches). Google Play lists both Build.MODEL values.

The app can't run on the Casio Pro Trek Smart WSD-F20

Its last official update is Wear OS 2, and the app needs Wear OS 3 or later.

Gestures are set up in the phone settings as shown, then combined into a trigger recipe in the app, where practice mode shows step by step whether a gesture would trigger.