I might sell my Polar OH1+ (which is optical and can be used on the bicep) as I don't use it for swimming any more now that the latest Forerunners do wrist based HR for swimming (don't worry about accuracy, just want it to be consistent).
@Greenbank started
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I might sell my Polar OH1+ (which is optical and can be used on the bicep) as I don't use it for swimming any more now that the latest Forerunners do wrist based HR for swimming (don't worry about accuracy, just want it to be consistent).