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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'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....Using the Wear OS app on my phone, I selected the Watch Battery (under Advanced Settings) and it showed the biggest battery hit being caused by Bluetooth at 39%."

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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

    "Love it...Love 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....Using the Wear OS app on my phone, I selected the Watch Battery (under Advanced Settings) and it showed the biggest battery hit being caused by Bluetooth at 39%."

    ""

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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.
  2. Top comment

    "Love it...Love 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....It's also good to see some old gestures still work, even though they aren't shown off in the tutorial when you first turn on the device (like covering the screen with your palm quickly to "sleep" the watch)."

    ""

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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.
    $272.99
    Save $2.01
    Was $275.00
    Top comment

    "Love it...Love 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....It's also good to see some old gestures still work, even though they aren't shown off in the tutorial when you first turn on the device (like covering the screen with your palm quickly to "sleep" the watch)."

    ""

    Hear more from customers

    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.
  3. Top comment

    "Not bad...Love it...I keep WIFI OFF, bluetooth ON, auto brightness and I like the default watchface which is mostly black and heartrate monitor OFF....me and my bro both liked this watch... Awesome work expect to get new watch by next year with new chipset"

    ""

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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

    "Not bad...Love it...I keep WIFI OFF, bluetooth ON, auto brightness and I like the default watchface which is mostly black and heartrate monitor OFF....me and my bro both liked this watch... Awesome work expect to get new watch by next year with new chipset"

    ""

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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.
  4. Top comment

    "Great Watch...Very nice watch...Size fits great, not a big arm....It was a great price for what you get!"

    ""

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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

    "Great Watch...Very nice watch...Size fits great, not a big arm....It was a great price for what you get!"

    ""

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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.
  5. Top comment

    "Great watch...Classic look and great functionality."

    ""

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    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
    Top comment

    "Great watch...Classic look and great functionality."

    ""

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    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.
  6. 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.