Got this Casio Pro Trek WSD-F21HR. WearOS, mil-spec durability, heart rate + other sensors useful in outdoors activities and most importantly dual layer screen that can show just the time, reputedly for
CASIO プロトレック スマート WSD-F21HR - rehda.com
Casio WSD-F21HR recensione - Pocket-lint
WSD-F21HR-RDBGE | Casio « PRO TREK SMART » WSD-F21HR-RDBGE