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Amazfit T-Rex Pro Smart Watch with GPS, Outdoor Fitness Watch for Men, Military Standard Certified, 100+ Sports Modes, 10 ATM Waterproof, 18 Day…

Amazfit T-Rex Pro Smart Watch with GPS, Outdoor Fitness Watch for Men, Military Standard Certified, 100+ Sports Modes, 10 ATM Waterproof, 18 Day…


(9 customer reviews)
Last updated on June 28, 2022 4:42 am Details
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  • 【TOUGHNESS FROM THE INSIDE OUT】The Amazfit T-Rex Pro comes with a 1.3″ HD AMOLED always-on color screen; The outer bezel undergoes a metal-spraying process, which enhances the rich textures of the light 60g watch body. Having passed 15 military-grade tests1, this smart watch can battle with you through hot deserts, humid rainforest and polar glaciers. Witness endurance that braves the elements with ease.
  • 【YOUR PARTNER IN EXPLORATION】The Amazfit T-Rex Pro smartwatch is high-level exploration partner, supporting four global navigation satellite systems, a blood-oxygen saturation measurement system, a heart rate monitor, a sleep monitor, a weather tracker, a sunrise and sunset monitor, a current moon phase display, a compass and barometric altimeter.
  • 【Ultra-long 18 Day Battery Life】When fully-charged, you can relax and enjoy up to 18 days of activity and progress with typical usage, or up to 9 days with heavy usage, or up to 40 hours with GPS continuous working mode. Go nonstop with T-Rex Pro watch!
  • 【10 ATM WATERPROOF】With a 10 ATM grade, the Amazfit T-Rex Pro smart watch is water-resistant to a depth of up to 100 meters and can accompany you as you surf, swim, or explore the mysterious underwater world together.
  • 【OVER 100 SPORTS MODES】The Amazfit T-Rex Pro fitness watch features over 100 sports modes and can be used to monitor critical data such as workout heart rate, distance traveled, movement speed, and calories burned in real time for most sports modes, to help you track and improve your athletic performance.
  • 【YOUR ULTIMATE PERSONAL ASSISTANT】The Amazfit T-Rex Pro smart watch notifies you of any incoming text messages or calls, scheduled alarms, and events, to prevent you from missing any important information. It can also easily control music playback.

Specification: Amazfit T-Rex Pro Smart Watch with GPS, Outdoor Fitness Watch for Men, Military Standard Certified, 100+ Sports Modes, 10 ATM Waterproof, 18 Day…

Product Dimensions

2 x 2 x 1 inches

Special Features

Heavy Duty Protection

Item model number



1 Lithium Polymer batteries required. (included)


Amazfit OS

Wireless communication technologies


Connectivity technologies



GPS Enabled

Item Weight

2.12 ounces

Other display features


Display technology


Device interface - primary


Form Factor



Desert Grey

Included Components

Watch body (including standard strap) Magnetic charging stand User manual



Country of Origin


Date First Available

February 24, 2021

Photos: Amazfit T-Rex Pro Smart Watch with GPS, Outdoor Fitness Watch for Men, Military Standard Certified, 100+ Sports Modes, 10 ATM Waterproof, 18 Day…

9 reviews for Amazfit T-Rex Pro Smart Watch with GPS, Outdoor Fitness Watch for Men, Military Standard Certified, 100+ Sports Modes, 10 ATM Waterproof, 18 Day…

3.6 out of 5
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  1. Casey

    Buyer beware…this is a exercise smart watch knockoff. First of all it won’t tell you the actual time and you can’t set the time anywhere. Its not programmed to take into consideration different time zones. What good is a watch that can’t tell time??? It freezes up constantly while trying to figure out anything with the interface. It won’t connect to bluetooth. It feels cheeky and cheap. Just get a garmin. Im tired of this happening with my purchases on amazon.

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  2. Danillo Ribeiro

    Gostei bastante da construção, porém nem tudo são flores. A bateria após duas atividades de 40 minutos caiu para 50% e no inicio das atividades estava com 96%.

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  3. Glauber Lima

    A bateria pra mim dura uns 15 dias deixando no modo economia de energia durante o dia, a noite deixo no modo normal para avaliação do sono e malho 2x/dia o que dá em torno de 2 horas diárias de medições em atividades (musculação, corrida e crossfit) mais umas 7 a 10h de sono. Fiz um teste em uma travessia de montanha de 65km e no primeiro dia andando 8h (13km) com a atividade Hiking ligada a bateria já caiu de 100 para 64%, ou seja, eu ficaria sem bateria antes de terminar a travessia (4 dias), pois não tinha como carregar o relógio durante o percurso, então ele é mais indicado para trilhas mais curtas. Infelizmente ele apesar de marcar o trajeto percorrido, não te dá a opção de seguir o caminho de volta até o ponto de partida. O altímetro deu uma diferença de uns 40 a 50m com um GPS da Garmin que comparei. Para corrida os dados foram praticamente idênticos aos registrados pelo Strava no celular e o GPS acha sinal rapidinho. Na musculação e crossfit me atende bem. A presilha da pulseira me pareceu frágil quando bati o olho ao tirar da caixa, mas acredito ser feita de Poliamida (Nylon) e isso é ponto positivo, pois é um ótimo material e até agora não tive problemas, mesmo raspando em árvores, galhos e pedras. A interface é legal e customizável. O relógio é confortável de usar. Pelo preço acho um bom custo benefício, comprei como teste e gostei bastante, no futuro pretendo ir para um Garmin Instict Solar.

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  4. Paratech59

    Pesquisei por muito tempo vários modelos, mais baratos e mais caros, antes de me decidir pelo T-Rex Pro. E, hoje, tenho certeza de que escolhi corretamente!

    O relógio é bastante completo, com vários modos de treino e de mensuração/aferição de dados, duração longa da bateria (uso quase tudo, porém com a tela só ligando quando levanto meu braço, e dura 7 dias com facilidade) e confortável no braço.

    Só senti falta de mais interfaces. As que estão no app Zepp não são muito chamativas/elegantes.

    Certamente utilizarei por bastante tempo!

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  5. Casey

    3 stars.
    Watch/app/phone will not allow firmware update.
    Watch keeps disconnecting from the phone. I’ve hard/factory reset the watch 3 times already.
    The watch itself is a cool looking watch with a great screen and cool watch faces.
    Very disappointed in the issues I’m having.
    Will be sending it back.

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  6. P. B.Motorcycle

    UPDATE: May 26th 2021,
    Got my replacement T Rex Pro yesterday evening (05.25.2021)
    Fully charged it by 8pm, it’s 3:42pm the next day (05.26.201) I’ve lost 30% in less than 24 hours, the battery life on these suck, I haven’t used GPS or any fitness tracking, just wore it after it was fully charged, wore it to bed, raise to wake off and wore it to work the next day… lost 30%… wack wearable.

    Amazfit doesn’t care and falsely Advertises their battery life. You’ll get 4 days max with little to no use.

    UPDATE: May 21st 2021,
    I scheduled a replacement of this watch, I can’t get more than 4 days max out of the battery, notifications off, vibration off, brightness 1/3 full maybe, I’ve lost 30% in a day and a half, if the second one does the same thing I’m returning it and getting a refund, just poor advertising on Amazfits part, 18 days?! 9 days?! How?! By leaving it home on the table on battery save mode?! Lol this is ridiculous, such a bummer…

    UPDATE: May 15th 2021.
    I reduced my original 5 star review to a 2 star review because of one (in my opinion) major issue. The battery life…

    This watch was delivered to me around 5pm on Tuesday May 11th 2021. I fully charged the watch by 6:30pm (it was completely dead when I got it) after a few days of moderate usage, I’d assume nothing more than normal use I had to charge the watch Friday night, May 14th, I was at 15% and had a lot of outdoor activities planned for Saturday, and at the rate the battery was going I didn’t trust the 15% to last until Saturday night especially while using fitness tracking.
    During the three days after I fully charged it I only used the fitness tracking once, for 1 hour of walking, I’m someone who normally does a lot of activities outdoors like hiking and camping, I don’t want to have to worry about the charge on this during a weekend or longer camping trip, but it looks like I will.
    My always on display was off and the brightness was around 1/3 full, I do have all day heart and stress monitoring on but let’s be real, that’s the point of this device, lift to wake is also on and I have that on the sensitive setting because I don’t want to wait the 3 or 4 seconds for the display to wake to see the time once I raise my arm. I may have checked my SPo2 three or four times, other than that I just wore the watch, all notifications were on but I’m not super popular by any means so it’s not like my watch was constantly going off with alerts. I’m not sure what else I can do at this point to increase the battery life because I feel like turning off features to at least reach the 9 day moderate use projection would be so counter productive to having this device. I feel I may have received a lemon/defective battery, unless I’m missing something.

    Every Review here or on YouTube screams the battery life is so impressive, and to me that was one of the biggest selling points… well, I’m not impressed, I got 2 or 3 times longer battery life from the Amazfit Bip U I previously purchased and I used that thing ALLLLL the time when I first got it, and I didn’t need to do my first charge on that for 7 days… and the battery life only increased with the Bip U as my usage reduced.
    So two stars it is because for the price and the battery life being one of its best selling points I feel it’s extremely misleading.
    Other than that the watch is still amazing, looks and works great.

    Delivered: May 11th 2021,
    I’ve only had the T Rex Pro for a day but I absolutely love it, I’ve been waiting to make this purchase for so long and now that it’s here I’m so pumped.

    The watch is light but feels like quality, the band feels really nice and has plenty of room for a wrist of any size, I have really small wrists and I love a chunky watch but it still doesn’t look ridiculous while wearing, I used a tempered glass screen protector so I can’t really make any comments on the watch glass itself but before I put on the screen protector it felt like it would be durable and it definitely resisted finger prints, like the daily ones lol not a greasy chicken wing finger print.
    Over all the build and quality of this watch is super nice. Definitely pleased with that part.

    I mean the stats speak for themselves, between everything the watch and app have to offer this set up will cover just about anything, that’s all I really have to say lol.

    User interface:
    Swiping around feels clean, responsive and all motions looks great, this can be customized for any preference of options to be where you want them. Prioritize the apps where you want to see them first. The buttons are a great addition to navigate the features of this Beaut especially in situations where you can’t use the touch screen. I do wish there were a bit more watch faces to choose from but I’m sure they’ll release more in the near future seeing how this Pro version has only been out since February 2021.

    Battery life:
    The only thing I’ve noticed so far that sucks the life out of this thing is the screen brightness, I lost about 15% battery in the first 5ish hours of wearing this with the auto brightness on, I turned it off and brought the brightness down to just over 1/3 and went a whole day of active use on about 5-8% battery usage. I have just about everything turned on too, but that brightness will take the charge away really quickly. So if wearing your watch shining like the northern star is your thing, (I get it I love a bright watch face) then just expect to probably charge it every 3 ish days.

    Things they could improve:
    I haven’t used this enough yet to really touch on this subject but some simple things that could be added are simple replies to text messages for one, that would be great.
    Some type of voice control or talk to text option would also be great, and possibly having Alexa assist like they have on some of amazfits lesser expensive models like the Bip U pro, seems weird it’s not available on the T Tex Pro.

    This thing is just amazing, I couldn’t be more pleased with this watch/fitness tracker.
    If you’re like me and have been circling this watch on here and YouTube all I have to say is just buy it, you’ll thank yourself later.

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  7. Fabio Vieira

    Relógio robusto, mas super leve. GPS muito preciso, atividades físicas variadas e muitas funções extras relacionadas as atividades e clima. Um ponto negativo, a presilha que é de plástico, para um relógio com muitos certificados de resistência, acho que deveria ser de metal.

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  8. Ian

    Just some background. I had been using a Fitbit Ionic for almost 2 years when an update completely made the watch unusable (doesn’t boot). I started looking around and it was between Amazfit GTR2 and the TicWatch Pro. I opted to go with the TicWatch Pro…and returned it within 5 days (my reasons and writeup is in the reviews for that product). So I decided to go with Amazfit…but on the fence between the T-Rex or the GTR2. I chose the GTR2 mainly because it had updated sensors and was newer. I liked the T-Rex…but felt that it had been out a year, that I would be buying something that was outdated in comparison. About a month and a half the T-Rex Pro came out. I decided to go ahead and order it and see how I like it. I like the “rugged” look of the watch. There are some differences in the watch layout from the GTR but very similar. One thing I have noted that I am still trying to figure out is this issue. When I have active an exercise…such as walking…the screen becomes “Locked”. I can pause the session and I can save the session…but I can get out of that screen to do or check on other things such as go to settings. I wanted to adjust the brightness and I couldn’t get to settings to make that adjustment unless I completely stopped the exercise session. Same for getting to the music window…and this is somewhat frustrating. I’m sure there is a setting that I haven’t figured out yet.
    Overall I like the watch. It is a little chunky, but it’s built that way. I’ll probably keep both watches though. I like the T-Rex Pro as my everyday and exercise watch, but the GTR 2 is a little bit nicer to wear in a casual or social type of setting.

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  9. Ian

    O relógio surpreende pela qualidade do material (robusto), pela leveza (muito leve) e pela qualidade da tela (resolução excelente, e alto brilho). Meu uso primário é para corrida e natação. Mas ele possui mais de 20 esportes pre-configurados.
    Só senti falta de 2 coisas para “aposentar” o Garmin:
    1. não permite a criação de treinos intervalados (não faz diretamente no relógio nem através do app)
    2. não faz sincronização com outras plataformas (trainingpeaks por exemplo), no momento apenas Strava
    É um excelente relógio para quem deseja usar no dia a dia ou em treinos comuns.
    Para quem é um atleta competitivo que executa treinos mais “complicados” deixa a desejar.
    Recomendo o relógio. Muito bom para o valor que pagamos, faltou pouco para Excelente.

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    Amazfit T-Rex Pro Smart Watch with GPS, Outdoor Fitness Watch for Men, Military Standard Certified, 100+ Sports Modes, 10 ATM Waterproof, 18 Day…
    Amazfit T-Rex Pro Smart Watch with GPS, Outdoor Fitness Watch for Men, Military Standard Certified, 100+ Sports Modes, 10 ATM Waterproof, 18 Day…
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