I agree with all of your points. I am a watch wearer, and all of your points apply to my watch selection process, except perhaps heat. I want to be able to do everything I do with my watch on without worrying about impact, sweat, water, etc. I do a lot of dirty jobs, so my watches take a beating.
I recently switched from a Citizen watch to a Fitbit Charge HR. Compared to my Citizen watch, the fitbit is too thick, and has too sharp of edges, and is not as rugged. I put up with it because the functionality outweighs those issues, but I wish they would make it flatter and smoother, and have an option of a stretch band. The fitbit has a protrusion on the bottom that has the heartrate monitor in it. It took a couple of weeks for my arm to get used to that protrusion. I think if it had a stretch band it would be a better product, at least for me.
Someone gave me a Google watch recently. I messed with it for 10 minutes and gave it back. it wasn't even worth the free price that I could have had it for. Terrible form factor, terrible power management. I can't imagine putting up with a hockey puck on a strap that has an 18 hour battery life. It doesn't look like the Apple version is much better to me.
I'm thinking about strapping my android phone to my arm.
As governments, associations, and NGOs around the world seek to protect consumers, national and regional standards are becoming mandatory, challenging manufacturers and making testing and certification necessary for any product developed and brought to market.
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