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@Alpha am kinda worried when coming to saltwater,but my watch is 10 days old so i be having this watch an be recommending buyers for the sunto core 2 once there are updates an everything work smooth,i think i will recomend my friend to order sunnto core 1 & 2 to resell in my country.
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I tested it today, and it works reliably. I calibrated the altimeter in the morning, spent the day driving about 100 km, spent some time in the office, and so on. Yet, when I arrived home tonight, the altitude reading was the same as it had been that morning :).
So, everything seems to be working fine; it’s just that the watch doesn’t explicitly indicate this on the display.
Since I have some knowledge of hardware and low-level software, a “little bird” (a “secret uncle,” if you will) explained how it works, and I can confirm:
- It isn’t triggered by the accelerometer or step count, but rather by a change in altitude derived from pressure.
- If the change—relative to historical data (stored in two slots that refresh every ~80 seconds)—reaches ≥ 5 m, it switches to ALTI mode.
- Conversely, if there has been no movement for at least ~721 seconds (≈12 minutes), it switches to BARO mode.
- The states are: 0 = ALTI, 1 = BARO, 2 = SNORKEL.
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@AdamK what firmware version you have now?
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@AdamK so just update my firmware to 1.14.2 an i got the baro trend arrow in time keeping mode,this is great to see in time keeping mode interface,thanks to the team who listens to your customers,please continue the good work.
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@AdamK
Thanks for the additional info.
It seems to me that auto mode works, too.
I’d just like to be able to view the alti/baro/step graphs on the main display in the next update. Then I’ll be almost completely satisfied.
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@AdamK what firmware version you have now?
I have 1.14.2 and info about how barometer works is also from that version. Its same as 1.13.44 - only change is barometer trend icon shown in altimeter and main watchface (algoritm didnt changed).
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@AdamK this morning I see some movements the altimeter I set an it stays there ,an its a rainy morning here,I see the arrow point down in the main time mode,so i dont hve to press to baro anymore the arrow indicator let me know what is on,let’s see from today onwards I be monitoring it performance
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@Alpha what make me completely with this watch along with the new firmware, in the next update slowly to come is to add multiple alarms an hourly chime, the alarm on this watch is loud I dont sleep with anymore an if you dont press no button it keep going off,also if there would be watches face you create by 2027 ,I would like to see the seconds stays on instead of disappearing,the sunrise sun down and the dual time have the seconds ticking around the dial which is pretty decent to look at,if that can stay on for ever where ever the time is shown an in main time mode instead disappearing after 2 minutes.
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- Fixed sunrise/sunset not updating after app sync followed by changing the region on the watch.
Unfortunately Core 2 suunto just informed me that where I am in the world, the built in times for sunrise/sunset will always be wrong without daily syncing.
I live in Vancouver Canada. Our province just canceled daylight savings time, so we no longer change or move our clocks back 1 hour in the fall, and forward 1 hour in the spring. I guess the previous times are what Suunto built into the watch. The Core 2 has no menu option to turn on/off DST.
Each day after midnight for me the Core 2 still uses the built in times on the watch, so it’s still wrong every morning before syncing.
Suunto says: *If your local time zone has changed and the watch is not automatically updating, you may need to sync it with the app to ensure the times are accurate.
Unfortunately, there is no way to permanently fix the built-in sunrise and sunset times without syncing the watch.*
Bummer.
Anyone else have this issue?
Wish they could do an update where i could ‘choose’ which value to use, or manually adjust. There is not DST on/off built into the watch.
Suunto suggested I buy one of their GPS watches.
Past Suuntos: X-Lander/Observer/T6/X9/X10/X6HR/CORES/Ambits/Spartan/9P/9PP Ti/Vertical Ti
Current: Suunto Race Ti
Past other GPS watches: Polar Vantage V; Garmin 6X Pro Solar; Coros Vertix 2
Suunto App running on Google Pixel 8/Android 14
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@mikekoski490 what happened i found out awhile ago after reading your post here,to get it accurate sunrise an sunset it to sync the watch i see mines go to the correct value,for the rest of the week I see what happens without syncing the watch
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@mikekoski490 not sure about this, but should DST not be over by now? So that winter (standard) time takes over, and the reality and watch are back in sync?
This should be an issue during summer only, no? -
@Egika You are right! Just other way around.
Where I live the provincial government, as of March 2026, pronounced we would be observing permanent Pacific Daylight Savings Time or UTC‑7 going forward. For the past 70 years we used to ‘fall forward’ on the first Sunday in November to "Pacific Standard Time” or UTC‑8, which is what likely is baked into the Core 2 - not really Suunto’s fault as when the internal algorithm was flashed it was correct. Just surprised this change cant be recognized via a sync to the app, according to their help desk, so that the ‘synced’ times can update the watch offline too.
As you said, it will be correct without a daily sync for 6 months starting March 2027.
So, both my in-built sunrise and sunset times are now 1 hour off.
CORE 2 for today:
Sunrise - 7:16am
Sunset - 4:36pmReality via internet (or when syncing via Suunto app):
Sunrise: 8:25 AM
Sunset: 5:41 PMOn the bright side:
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At least I can sync it each morning (takes about 4 failed sync attempts though before finally updates so I just might just do the math and add an hour in my head which is ‘somewhat’ easier lol.)
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Hope that the Suunto help desk was incorrect and this can be fixed via a firmware update down the road.
Look, its not really a big deal. Im not going to perish nordic skiing this winter because I completely forgot the CORE 2 is wrong and I forgot to sync it. Note Im more happy the auto alti/baro switch was added as that was a pain beforehand.
Its just, well - kinda jinky for Suunto. I sort of bought the core 2 to not have to rely on a daily sync requirement for it to be accurate, but that said I also appreciate the fact it can be updated/improved down the road.
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@mikekoski490 So you are on permanent DST now. All right.
This surely can be fixed with a watch update. The time zones and rules seem to be in theret6, S6, Elementum Terra, Ambit 3 Sapphire, Spartan Ultra, Traverse Alpha, S7 Graphite LE, S9B Ambassador, S9P Titanium, S9PP Titanium, Vertical All Black, Race Titanium, Race S Titanium Courtney, Run Lime, Race 2, Vertical 2 Titanium, Race 3s
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@Egika Thanks. Would be nice! When I asked the help desk about the possibility of some sort of fix in a future update, they apologized for my experience but said it could not be fixed, and recommended that I buy a different Suunto device.
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@Egika Hi. Everything is working perfectly after the latest update (1.14.2) :), though the small moon icon still seems to be mirrored (my location is Eastern Europe). The moon should be waxing from right to left, but it’s the other way around. Could you please provide some information on this? Thanks a lot in advance.
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@mikekoski490
So obviously it’s possible—if other Suunto models can do it! It’s just a software issue that can be fixed on the Core 2.
Who’s in charge of support?! I also haven’t been able to find out about the Core 2’s water resistance. Why did they add a “Dive” feature and reduce the maximum dive depth from 10 meters (Core 1) to 2 meters (Core 2)? 🫤Traverse Alpha Stealth
Traverse Alpha Foliage
Traverse Alpha Concrete
Core Alpha Stealth
Core 2 All Black -
@Alpha I took mines dive mode on ,I went down 7feet am using ft metric not meters,it work perfectly
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@mikekoski490
So obviously it’s possible—if other Suunto models can do it! It’s just a software issue that can be fixed on the Core 2.
Who’s in charge of support?!Hopefully possible, but doubt my small support case is an issue for very many Core 2 owners so likely not a priority.
The Suunto support online conversation was unusual. The online support person, who used very helpful and positive langauge (if a real person) so no issues there, but they didnt know anything about the Core 2. Kept telling me to take it outside and get a GPS fix, or to go to settings - time - toggle on/off DST. So, hopefully telling me at the end of the chat just to get a different Suunto model was unusual too.
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@mikekoski490 Suunto support is leaving some strange impressions…
I tend to think that AI is in use quite a lot.
I made a ticket out of your Vancouver DST issue. It will find it’s way to the development department.
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