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I'm thinking about getting the new Polar M600 and am wondering how well the Swim.com app (or another app) might work with it for recording swimming. Might be worth looking into.
https://www.polar.com/uk-en/products/sport/M600 https://play.google.com/store/apps/details?id=com.spiraledge.swimapp
Please note this is a S7, so while similar app to S9/S5 it isn't actually the same app, so there are differences, and not sure whether it applies to Pool Swimming or not.
Been a while, so sorry about length and round about answer - but hopefully this provides an answer to your question.
The tracking screens are highligh customizable with ability to add screens (2 data , 1 lap, 1 graph and 1 map (though of course not in a pool swimming activity)). Can have up to 6 fields on the data screens. Main data screen has active HR zones.
These are the data fields you can pick (can have a max of 6 fields):
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note there is some overlapping on the images.
These are the lap data fields you can pick from (can only show 3 fields): Interval swim distance and then interval duration / interval average swim pace / interval average stroke rate
Graph screen - choice of two data fields - mostly the same metrics as per the data field (except for Physiology metrics)
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Check this link to see the manuals details:
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My main data screen is laid out with:
Current interval swim distance / Interval duration / Swim distance / Duration / Time of day / Lap number.
(when i get more familiar - assuming we are ever allowed back in the pool, I will probably adjust this and or add another data screen - maybe main screen for current and second for overall).
Lap table is: interval swim distance / interval duration / interval average swim pace.
Added Graph chart - swim distance over HR.
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As this is a wear os watch you can use alternative apps like the Swim app (which includes a Pace Mode and Drill Mode (very basic, but what I had to use as no swim option in Google fit).
https://play.google.com/store/apps/details?id=com.spiraledge.swimapp