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OHR cracks

Has anyone with a NONE Rev A device seen cracks? My day 1 device was giving me some strange HR readings, on close inspection I see cracks.

I had to return two 935s that had the same issue so very concerned to see this in the 945 as well

Top Replies

7946262 over 4 years ago +2 suggested

I have the same problem with FR935 serial number starting 50S1xxxxx. My personal opinion of the problem of the back cover disintegration is that it is a lack of material used by developers. I attach photos…
Chabier over 5 years ago in reply to Former Member +1

It would be awesome that a watch made for swimming in the pool couldn´t resist chlorine.
kitenski over 4 years ago in reply to Otto-Destruct +1

that's really interesting cheers, I'd assumed it was chlorine creating the issue, so that is my theory scuppered! I wonder if it's just certain persons "skin/sweat" or just bad luck??…

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0 Former Member over 5 years ago

I haven't. What is the white corrosion in the circle surrounding the oHRM? Maybe this is what's causing the cracks in the resin covering.

0 arcalius over 5 years ago in reply to Former Member

I’ve not see anything like that either. On a grim note I think the white stuff is sweat and skin...I hope it is anyways.

0 kitenski over 5 years ago in reply to Former Member

Think it's sweat, it is not corrosion.

0 Former Member over 5 years ago in reply to arcalius

I've had a 935 for years and my 945 since the first week of May. I wear them 24/7 except for charging and I haven't had any cracks. The OP is experiencing this for the 3rd time. It's possible it's a case of bad luck, but I wonder if it's maybe a soap, shampoo, or lotion they use that might be reacting to it? Hand sanitizers contain a lot of alcohol. Maybe something like that?

0 kitenski over 5 years ago in reply to Former Member

I swam/swim a lot in chlorinated indoor pools here in the UK. I don't wear any lotion nor do I use hand sanitizers. I do wear the watch in the shower, but it always gets clean, fresh water over it at the end of my shower.

0 Former Member over 5 years ago in reply to kitenski

I'm not sure then. It's possible it could be a pool chemical. I had a pool and a hot tub and chlorine isn't the only chemical present. This was prior to owning those watches and I rarely pool swim myself. There have been several reports of cracks on watches. Any of them mention pool swimming?

0 Chabier over 5 years ago in reply to Former Member

It would be awesome that a watch made for swimming in the pool couldn´t resist chlorine.

0 Browner40 over 5 years ago

I was about to reply that I have an even earlier version and no issues....... but when I went to look, I have a huge crack right through the middle that I swear wasn't there a few weeks ago and a couple smaller ones showing up now too. Oddly enough I do lots of pool swimming but not in the last few months. Once the weather warms up enough I do most of my swimming outside and have not spent much time in the pool for the last 4 months or so. My serial number is in the 5Z6002XXX range.

0 Former Member over 5 years ago in reply to Browner40

That's disappointing. I had a conversation with kitenski and I thought it may have something to do with different manufacturing products from different parts of the world. (IE, resins, glues, etc). If I remember correctly, we're both from the Pacific Northwest and that blows my theory out of the water.

0 Browner40 over 5 years ago in reply to Former Member

Yeah, I'm in Oregon and my watch was a direct purchase from Garmin. All the watches are manufactured in the same factories in Taiwan though so it isn't a manufacturing region thing. Maybe a regional environmental thing, but it seems to be pretty broadly spread out from what I've seen on this forum. I have had this issue before on a Fenix 3HR but not on the FR935, Fenix 5, or Fenix 5+ that I have had since then. I got my FR945 on May 2nd, so it has shown up as a problem within the first 6 months of ownership. The crack on mine is MUCH bigger and in a worse spot than the one kitenski's watch has. It is directly over one of the black sensor squares and all the way across it.