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45mm

Best Buy customers often prefer the following products when searching for 45mm.

Browse the top-ranked list of 45mm below along with associated reviews and opinions.

Browse the top-ranked list of 45mm below along with associated reviews and opinions.

Main Results
  1. Top comment

    "Love it...Love it!...I use it to change my music , unfortunately the 4 stars is because I can't track my sleep, if that feature came in for free it would have been a solid 5 stars...I was use to the pebble once a week or sometimes every 5 days but the screen is great and the apps work very good to excellent."

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    Product Description

    Stay on time and in shape with this Huawei Watch 2. Its live GPS mapping and heart-rate monitoring make it the ideal running or cycling companion, and it offers real-time coaching to keep you on track. This Huawei smart watch has a battery life of more than two days and has a water-resistant design.
    $282.99
    Save $17
    Was $299.99
    Top comment

    "Love it...Love it!...I use it to change my music , unfortunately the 4 stars is because I can't track my sleep, if that feature came in for free it would have been a solid 5 stars...I was use to the pebble once a week or sometimes every 5 days but the screen is great and the apps work very good to excellent."

    ""

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    Product Description

    Stay on time and in shape with this Huawei Watch 2. Its live GPS mapping and heart-rate monitoring make it the ideal running or cycling companion, and it offers real-time coaching to keep you on track. This Huawei smart watch has a battery life of more than two days and has a water-resistant design.
  2. Top comment

    "Loving It!...Worth the buy...I've small wrists, so I had to take out 4 links to get it to fit properly, but now that I've it's very comfortable without causing any pinching or other discomfort when bending my wrist....The watch band was very large out of the box for my wrist and sadly didn't include an tool for sizing, though a quick trip to my local Fossil store got me perfectly fitted for it and ready to go."

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    Product Description

    Stay connected with this Fossil Gen 4 Explorist HR smartwatch. It has a heart rate monitor, daily activity tracker and built-in GPS to help you keep track of your fitness activities and goals. This Fossil Gen 4 Explorist HR smartwatch syncs with both Android and Apple phones for easy access to notifications and emails.
    $275.00
    Top comment

    "Loving It!...Worth the buy...I've small wrists, so I had to take out 4 links to get it to fit properly, but now that I've it's very comfortable without causing any pinching or other discomfort when bending my wrist....The watch band was very large out of the box for my wrist and sadly didn't include an tool for sizing, though a quick trip to my local Fossil store got me perfectly fitted for it and ready to go."

    ""

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    Product Description

    Stay connected with this Fossil Gen 4 Explorist HR smartwatch. It has a heart rate monitor, daily activity tracker and built-in GPS to help you keep track of your fitness activities and goals. This Fossil Gen 4 Explorist HR smartwatch syncs with both Android and Apple phones for easy access to notifications and emails.
  3. Top comment

    "Loving It!...Glad I got it...I've small wrists, so I had to take out 4 links to get it to fit properly, but now that I've it's very comfortable without causing any pinching or other discomfort when bending my wrist....Google Pay integrates well with this watch - I programmed one of the buttons to launch Pay which made it fast to pay (at merchants that support it)."

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    Product Description

    Monitor exercise goals with the built-in fitness tracker on this Fossil Gen 4 Explorist smart watch. It's compatible with Android 4.4+ and iOS 9.3+ smartphones to work with your device, and it offers versatile connectivity through both Bluetooth and Wi-Fi. This Fossil Gen 4 Explorist smart watch is water-resistant so you can wear it while swimming.
    $275.00
    Top comment

    "Loving It!...Glad I got it...I've small wrists, so I had to take out 4 links to get it to fit properly, but now that I've it's very comfortable without causing any pinching or other discomfort when bending my wrist....Google Pay integrates well with this watch - I programmed one of the buttons to launch Pay which made it fast to pay (at merchants that support it)."

    ""

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    Product Description

    Monitor exercise goals with the built-in fitness tracker on this Fossil Gen 4 Explorist smart watch. It's compatible with Android 4.4+ and iOS 9.3+ smartphones to work with your device, and it offers versatile connectivity through both Bluetooth and Wi-Fi. This Fossil Gen 4 Explorist smart watch is water-resistant so you can wear it while swimming.
  4. Top comment

    "Great Watch...Good watch....No issues with connectivity....When I wore it, it felt great on the wrist with minimal weight."

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    Product Description

    Wear this Fossil Gen 4 Explorist HR smartwatch to track time while maintaining access to emails. It has GPS functionality to guide you on walks and a built-in heart rate monitor to help you adjust your pace. Access the flashlight, alarms or activity tracker on the handy touch screen display of this Fossil Gen 4 Explorist HR smartwatch.
    $255.00
    Top comment

    "Great Watch...Good watch....No issues with connectivity....When I wore it, it felt great on the wrist with minimal weight."

    ""

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    Product Description

    Wear this Fossil Gen 4 Explorist HR smartwatch to track time while maintaining access to emails. It has GPS functionality to guide you on walks and a built-in heart rate monitor to help you adjust your pace. Access the flashlight, alarms or activity tracker on the handy touch screen display of this Fossil Gen 4 Explorist HR smartwatch.
  5. Top comment

    "Excellent watch...Worth it for the price is a nice watch thou, almost the same as a normal watch"

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    Product Description

    Track fitness goals while staying in touch with this Fossil hybrid smart watch. It has Bluetooth, so you can use it with your smartphone to take pictures, control music and access social media notifications. This Fossil hybrid smart watch has a built-in fitness tracker to help you get a handle on health.
    $155.00
    Top comment

    "Excellent watch...Worth it for the price is a nice watch thou, almost the same as a normal watch"

    ""

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    Product Description

    Track fitness goals while staying in touch with this Fossil hybrid smart watch. It has Bluetooth, so you can use it with your smartphone to take pictures, control music and access social media notifications. This Fossil hybrid smart watch has a built-in fitness tracker to help you get a handle on health.
  6. Product Description

    Check fitness stats and smartphone notifications with this MyKronoz ZeRound2 HR smart watch. It’s water-resistant, so you can use it for swimming workouts, and it supports voice commands through Siri and Google Assistant for hands-free control. Keep track of your cardio performance via the optical heart rate sensor of this MyKronoz ZeRound2 HR smart watch.
    $125.99
    Save $3.01
    Was $129.00

    Product Description

    Check fitness stats and smartphone notifications with this MyKronoz ZeRound2 HR smart watch. It’s water-resistant, so you can use it for swimming workouts, and it supports voice commands through Siri and Google Assistant for hands-free control. Keep track of your cardio performance via the optical heart rate sensor of this MyKronoz ZeRound2 HR smart watch.
  7. Top comment

    "Great Service...The young lady that helped me was very friendly and I appreciate her service"

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    Product Description

    Simplify digital tasks with this MyKronoz ZeRound2 smart watch. Its built-in microphone and speaker enable remote, hands-free phone communication and voice control via Google Assistant or Siri, and the touch screen display lets you navigate through activity tracking and other features easily. Personalize this MyKronoz ZeRound2 smart watch via its customizable watch face.
    $99.99
    Top comment

    "Great Service...The young lady that helped me was very friendly and I appreciate her service"

    ""

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    Product Description

    Simplify digital tasks with this MyKronoz ZeRound2 smart watch. Its built-in microphone and speaker enable remote, hands-free phone communication and voice control via Google Assistant or Siri, and the touch screen display lets you navigate through activity tracking and other features easily. Personalize this MyKronoz ZeRound2 smart watch via its customizable watch face.
  8. Top comment

    "Great Service...The young lady that helped me was very friendly and I appreciate her service"

    ""

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    Product Description

    Stay connected while achieving your fitness goals with this MyKronoz ZeRound smart watch. It lets you control your smartphone via a voice command feature, and the activity tracker records physical data to help you monitor your daily health progress. This MyKronoz ZeRound smart watch is water-resistant, making it the ideal companion for outdoor workout routines.
    $83.99
    Save $16
    Was $99.99
    Top comment

    "Great Service...The young lady that helped me was very friendly and I appreciate her service"

    ""

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    Product Description

    Stay connected while achieving your fitness goals with this MyKronoz ZeRound smart watch. It lets you control your smartphone via a voice command feature, and the activity tracker records physical data to help you monitor your daily health progress. This MyKronoz ZeRound smart watch is water-resistant, making it the ideal companion for outdoor workout routines.
  9. Product Description

    Monitor your heart rate in and out of the water with this MyKronoz ZeRound smart watch. It uses Siri or Google Now to connect to your smartphone using voice commands, and a vibrating alarm reminds you of upcoming tasks. This ZeRound smart watch monitors sleep and physical activity to keep you healthy.
    $129.00

    Product Description

    Monitor your heart rate in and out of the water with this MyKronoz ZeRound smart watch. It uses Siri or Google Now to connect to your smartphone using voice commands, and a vibrating alarm reminds you of upcoming tasks. This ZeRound smart watch monitors sleep and physical activity to keep you healthy.
  10. Top comment

    "Very nice watch...It's a fossil watch so you're getting great quality... It's a very good looking, premium watch with some weight to it making it feel premium."

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    Product Description

    Stay connected to texts, emails and social media with this Fossil Gen 4 Explorist smart watch. It monitors your heart rate to track fitness goals, and it's Bluetooth smart enabled to connect to your devices. This Fossil Gen 4 Explorist smart watch is compatible with Android OS 4.4+ and iOS 9.3+ so it's functional with whichever smartphone you use.
    $255.00
    Top comment

    "Very nice watch...It's a fossil watch so you're getting great quality... It's a very good looking, premium watch with some weight to it making it feel premium."

    ""

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    Product Description

    Stay connected to texts, emails and social media with this Fossil Gen 4 Explorist smart watch. It monitors your heart rate to track fitness goals, and it's Bluetooth smart enabled to connect to your devices. This Fossil Gen 4 Explorist smart watch is compatible with Android OS 4.4+ and iOS 9.3+ so it's functional with whichever smartphone you use.
  11. Top comment

    "Very nice watch...It's a fossil watch so you're getting great quality... It's a very good looking, premium watch with some weight to it making it feel premium."

    ""

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    Product Description

    Enjoy physical and leisure activities with this 45mm Fossil Gen 4 Explorist HR smartwatch. It supports NFC payments for convenient card-free shopping, and its heart rate tracking function keeps your cardio performance in check. Know how far you’ve walked or run thanks to the untethered GPS feature of this fourth-generation Fossil Gen 4 Explorist HR Smartwatch.
    $255.00
    Top comment

    "Very nice watch...It's a fossil watch so you're getting great quality... It's a very good looking, premium watch with some weight to it making it feel premium."

    ""

    Hear more from customers

    Product Description

    Enjoy physical and leisure activities with this 45mm Fossil Gen 4 Explorist HR smartwatch. It supports NFC payments for convenient card-free shopping, and its heart rate tracking function keeps your cardio performance in check. Know how far you’ve walked or run thanks to the untethered GPS feature of this fourth-generation Fossil Gen 4 Explorist HR Smartwatch.
  12. Product Description

    Receive ongoing updates with this Fossil Hybrid smartwatch. Its distinct timepiece design offers classic styling, and it's compatible with Android and iOS devices to alert you about texts with discreet vibrating notifications. This Fossil Hybrid smartwatch's three customizable buttons let you program your favorite features, including music controls or smartphone location.
    $175.00

    Product Description

    Receive ongoing updates with this Fossil Hybrid smartwatch. Its distinct timepiece design offers classic styling, and it's compatible with Android and iOS devices to alert you about texts with discreet vibrating notifications. This Fossil Hybrid smartwatch's three customizable buttons let you program your favorite features, including music controls or smartphone location.