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Best place to get a Galaxy Watch* ;-): https://geni.us/SamsungWatchUltra
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(30 off any new WHOOP membership)
Eight Sleep 350/200 discount ()*: https://eight-sleep.ioym.net/TheQuantifiedScientist add code “UNBOXTHERAPY” or “TQS” for full discount
Oura Ring Link: I recommend looking for a discount on Reddit with the /"Refer-A-Friend/" program! If you can't find one: https://ouraring.sjv.io/rQ4L33 (affiliate link that supports the channel, but doesn't get a discount)
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Twitter: @QuantifiedRob
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My Gear* (paid links, supports the channel and costs you nothing extra)
Camera body (main): https://geni.us/SonyA6600_body
Camera lens (primary): https://geni.us/SigmaContemporary
Camera (B-roll 1): https://geni.us/Sony_ZVE1
Camera (B-roll 2): https://geni.us/CanonEosM50MarkII and https://geni.us/Sony_ZVE10
Light: https://geni.us/Godox_VL150
Lightbox: https://geni.us/NiceFotoSoftbox
Light Stand: https://geni.us/WalimexLightstand

Reference devices:
ZMax Dreamento: https://www.biorxiv.org/content/10.1101/2023.08.18.553744v1 & https://github.com/dreamento/dreamento
Polar H10: https://pubmed.ncbi.nlm.nih.gov/31004219/

Polar H10: https://geni.us/hnXc
Intro music from #Uppbeat (free for creators!):
https://uppbeat.io/t/moire/new-life
License code: OBLD6VBBCTRDFZQP

Timestamp:
00:00 Introduction
00:58 Test of the first day: heart rate
03:53 Test of day 2: Sleep and heart rate
12:41 Day 3 and 4 tests: Sleep and heart rate
9:22 p.m. Initial GPS test
24h22 FTP, blood pressure and body composition
26:31 Conclusion

The Galaxy Watch Ultra and Galaxy Watch 7 feature a new sensor that Samsung says has improved performance. But is it true? Today we will find out by systematically testing the performance of heart rate tracking, sleep phase tracking and GPS tracking. And we'll also take a quick look at other features like blood pressure, FTP, and body composition. I want to release this video as soon as possible, so unlike my normal videos, I won't show you all the results at once, but I will show you the results as I receive them. So I will be as surprised as you and we will discover together the quality of the Galaxy Watch Ultra and Watch 7 during my first test. This will be an initial review, and the full review will take place in a week or two.

But what is my overall initial conclusion. Well, the Galaxy Watches aren't great, but they definitely have some issues. Sleep stage tracking seems to be similar to what it's always been, heart rate tracking for indoor cycling was surprisingly bad, and for outdoor cycling it was surprisingly good. Heart rate tracking appears to have changed from previous generations of Galaxy Watches, and the new sensor seems particularly suited to outdoor cycling when tested on me. The Galaxy Watch Ultra's GPS was pretty good in my first test, although I can't explain why it did better than the Watch 7, because from what I understand, both have the same system Dual frequency GPS. So, overall, the Galaxy Watches show some improvement over previous generations, but I'm not yet sure how big that improvement really is. I will do further testing over the coming weeks and will then share my full review, which will also include a review on my colleague Raphael.

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