Forerunner 645

Smart Watches for Forerunner 645 compared by listed specs on TikTok Shop.

Featured brands
Authenticated productsVerified shops
Newegg, Inc.
TOZO

Newegg, Inc.

4.6
432.5K
Sold
364.1K+
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PlayStation DualSense Wireless Controller - Midnight Black Games Devices Accessories Android Console Bluetooth
$103.34
[Price Drop] Microsoft Xbox Elite Series 2 Wireless Controller - White Accessories Game Console
$206.69
PS5 DualSense Wireless Controller - Starlight Blue - for PS5, PC, Mac, and Mobile
$79.49
Rosewill Compact Food Dehydrator, 5 Stackable Trays with Adjustable 48H Timer and Temperature Control - Electric Food Preserver for Jerky, Fruits, Veggies, Meat & Dog Treats
$52.99
Team T-FORCE VULCAN Z 32GB (2 x 16GB) 288-Pin PC RAM DDR4 3200 (PC4 25600) Desktop Memory Model TLZGD432G3200HC16FDC01
$275.99
PlayStation DualSense Wireless Controller Accessories - White Smartphone
$102.04

Garmin Forerunner 70 Easy-to-Use GPS Running Smartwatch AMOLED Touchscreen Display
Free shipping

Garmin Forerunner 70 Easy-to-Use GPS Running Smartwatch AMOLED Touchscreen Display

5.013 sold
$324.99
Garmin Forerunner 165, Black/Slate Grey | GPS Running Smart Watch 010-02863-20
Free shipping
Newegg, Inc.

Garmin Forerunner 165, Black/Slate Grey | GPS Running Smart Watch 010-02863-20

4.726 sold
$344.49
Garmin Forerunner 165 GPS Sports Tracking Wristwatch - AMOLED Touchscreen Smart Watch, 19-Hour GPS Mode Battery, Wireless Fitness Tracker, Health Monitor, Silicone Wearable Tech, Android Music Player, Wearable4U Bundle (Smart & Wearable Devices)
Free shipping

Garmin Forerunner 165 GPS Sports Tracking Wristwatch - AMOLED Touchscreen Smart Watch, 19-Hour GPS Mode Battery, Wireless Fitness Tracker, Health Monitor, Silicone Wearable Tech, Android Music Player, Wearable4U Bundle (Smart & Wearable Devices)

4.027 sold
$324.99
Garmin Forerunner 165, Mist Grey/Whitestone | GPS Running Smart Watch 010-02863-21
Free shipping
Newegg, Inc.

Garmin Forerunner 165, Mist Grey/Whitestone | GPS Running Smart Watch 010-02863-21

2 sold
$344.49
Garmin Venu 4 Smartwatch - 41/45mm AMOLED Display, Android Compatible, Metal Custom Steel Design, GPS, Built-in Flashlight, Music Player, Running/Meditation Tracking, Health Monitoring, Phone Connectivity, 10/12-Day Battery, Wearable4U Bundle, Bluetooth,
Free shipping

Garmin Venu 4 Smartwatch - 41/45mm AMOLED Display, Android Compatible, Metal Custom Steel Design, GPS, Built-in Flashlight, Music Player, Running/Meditation Tracking, Health Monitoring, Phone Connectivity, 10/12-Day Battery, Wearable4U Bundle, Bluetooth,

3 sold
$714.99
LOKMAT Men's Plastic Sports Smart Watch - Wearable 4G SIM Card Slot Android 8.1 Smartwatch, 1.508in AMOLED Touchscreen, 3GB+32GB, Rotating Camera, WiFi, GPS, Fitness Tracker for Daily & Sports Use
Free shipping

LOKMAT Men's Plastic Sports Smart Watch - Wearable 4G SIM Card Slot Android 8.1 Smartwatch, 1.508in AMOLED Touchscreen, 3GB+32GB, Rotating Camera, WiFi, GPS, Fitness Tracker for Daily & Sports Use

2 sold
$119.00
Garmin Forerunner 965 Premium Titanium Unisex Adults Health Smartwatch - GPS, Touchscreen, Android Compatible, Multi-Sports Training Readiness Feature Device for Running & Triathlon
Free shipping

Garmin Forerunner 965 Premium Titanium Unisex Adults Health Smartwatch - GPS, Touchscreen, Android Compatible, Multi-Sports Training Readiness Feature Device for Running & Triathlon

1 sold
$779.99
Garmin Forerunner 570 Smartwatch - 42mm/47mm Advanced GPS Running & Triathlon Wristwatch with AMOLED Touchscreen, Corning Glass, Workout Tracking, Phone Compatibility, Button Controls, Wearable4U Speaker Bundle, 30 Days Money Back, Payment Options
Free shipping

Garmin Forerunner 570 Smartwatch - 42mm/47mm Advanced GPS Running & Triathlon Wristwatch with AMOLED Touchscreen, Corning Glass, Workout Tracking, Phone Compatibility, Button Controls, Wearable4U Speaker Bundle, 30 Days Money Back, Payment Options

5.04 sold
$714.99
LOKMAT 4G Digital Smartwatch for Men, 1.75'' AMOLED Touch Screen, 3GB+32GB Wireless Sporty Wearable Tech, Multi-Sports Fitness Tracker with SIM Slot, Rotating Digital Camera, GPS, NFC, WiFi Enabled, Phone Call Support (Black)
Free shipping

LOKMAT 4G Digital Smartwatch for Men, 1.75'' AMOLED Touch Screen, 3GB+32GB Wireless Sporty Wearable Tech, Multi-Sports Fitness Tracker with SIM Slot, Rotating Digital Camera, GPS, NFC, WiFi Enabled, Phone Call Support (Black)

5.02 sold
-49%$118.00$229.99
Smart Watch Blood Pressure, 1.95" Blood Pressure Monitor with Air Pump Band, Blood Pressure Watch with Sleep Heart Rate Monitor, Pedometer, Watch Supports Data Sharing, Reminder Monitoring
Free shipping

Smart Watch Blood Pressure, 1.95" Blood Pressure Monitor with Air Pump Band, Blood Pressure Watch with Sleep Heart Rate Monitor, Pedometer, Watch Supports Data Sharing, Reminder Monitoring

5.022 sold
Flash sale00:00:00
-50%$93.98$189.00
LIFEBEE Compact Portable Wireless Smart Ring, IP68 Rated Wireless Fitness Tracker with Sleep Monitoring, Step Counting, No Subscription Fee for iPhone & Android
Free shipping

LIFEBEE Compact Portable Wireless Smart Ring, IP68 Rated Wireless Fitness Tracker with Sleep Monitoring, Step Counting, No Subscription Fee for iPhone & Android

3.6595 sold
$38.99
Garmin Forerunner 265 Series Sports Tracking Wristwatch - 46mm/42mm AMOLED Touchscreen, GPS, Android Compatible, Bluetooth, Daily Guidance, No Extra Sensor Needed Fitness Smartwatch
Free shipping

Garmin Forerunner 265 Series Sports Tracking Wristwatch - 46mm/42mm AMOLED Touchscreen, GPS, Android Compatible, Bluetooth, Daily Guidance, No Extra Sensor Needed Fitness Smartwatch

5.09 sold
$584.99
TOZO S3 Multifunctional Smartwatch (Wearable Tech) - Call Control, Bluetooth Touchscreen, 100+ Sports Modes, IP68 Rated, Heart Rate/Sleep Monitor, Hiking-Ready Fitness Tracker, Get Your Steps In, Father's Day Gift
Free shipping
TOZO

TOZO S3 Multifunctional Smartwatch (Wearable Tech) - Call Control, Bluetooth Touchscreen, 100+ Sports Modes, IP68 Rated, Heart Rate/Sleep Monitor, Hiking-Ready Fitness Tracker, Get Your Steps In, Father's Day Gift

4.0167 sold
$64.09
Amazfit Bip Max - Silver - W2568US2N
Free shipping
Newegg, Inc.

Amazfit Bip Max - Silver - W2568US2N

$105.99
Smartwatch 2.01 large display, Bluetooth wireless calling, heart rate monitoring, multiple sports modes, outdoor flashlight function, various watch strap sets, compatible with iPhone and Android, ideal gift

Smartwatch 2.01 large display, Bluetooth wireless calling, heart rate monitoring, multiple sports modes, outdoor flashlight function, various watch strap sets, compatible with iPhone and Android, ideal gift

$16.34
ULMIED Screen-Free Smart Watch Fitness Tracker - Waterproof Smart Wristband with 24/7 Sleep Tracking, Heart Rate Monitoring, Calorie & Activity Tracking, 30-Day Battery Life, Bluetooth Sync, iOS & Android Compatibility, Mobile App Support (Black)
Free shipping

ULMIED Screen-Free Smart Watch Fitness Tracker - Waterproof Smart Wristband with 24/7 Sleep Tracking, Heart Rate Monitoring, Calorie & Activity Tracking, 30-Day Battery Life, Bluetooth Sync, iOS & Android Compatibility, Mobile App Support (Black)

4.4165 sold
Flash sale00:00:00
-50%$29.99$60.00
Unisex Smart Watch with Bluetooth, Digital Screen, Fitness Tracker, Waterproof Design, Heart Rate & Blood Pressure Monitor (Phones & Electronics, Smart Wearable Device)
Free shipping

Unisex Smart Watch with Bluetooth, Digital Screen, Fitness Tracker, Waterproof Design, Heart Rate & Blood Pressure Monitor (Phones & Electronics, Smart Wearable Device)

7 sold
$22.00
2asau-x03s5 Black Smart Watch - IP68 Waterproof, GPS Enabled, PU Leather Bluetooth Wearable, 16 Sports Modes, Pedometer, Distance/Calorie Trackers, Heart Rate/Sleep Monitoring, Runmefit App Compatible for Men & Women (Daily Workouts, Running), Smartwatch
Free shipping

2asau-x03s5 Black Smart Watch - IP68 Waterproof, GPS Enabled, PU Leather Bluetooth Wearable, 16 Sports Modes, Pedometer, Distance/Calorie Trackers, Heart Rate/Sleep Monitoring, Runmefit App Compatible for Men & Women (Daily Workouts, Running), Smartwatch

5.08 sold
$36.99
PG999-7 Smart Watch for Men Women, Bluetooth Call, 140 Sport Modes, Fitness Tracker, APP & Message Notifications, Incoming Call Alert, Touch Screen, Compass, Waterproof, Compatible with iPhone & Android Gps Wearable phone support reminder
Free shipping

PG999-7 Smart Watch for Men Women, Bluetooth Call, 140 Sport Modes, Fitness Tracker, APP & Message Notifications, Incoming Call Alert, Touch Screen, Compass, Waterproof, Compatible with iPhone & Android Gps Wearable phone support reminder

2 sold
Limited time deal00:00:00
-45%$109.45$199.00
Black Smart Watch for Men with Bluetooth Calling, 1.43" AMOLED Display, ECG Heart Rate & Sleep Tracking, Blood Oxygen, 100+ Sports Modes, IP68 Waterproof, SOS Fitness Watch for Android iPhone
Free shipping

Black Smart Watch for Men with Bluetooth Calling, 1.43" AMOLED Display, ECG Heart Rate & Sleep Tracking, Blood Oxygen, 100+ Sports Modes, IP68 Waterproof, SOS Fitness Watch for Android iPhone

1 sold
$49.00
2026 New Unisex Fashion Sports Screenless Smartwatch, Novel Design, Support Multi-Function Reminder, 100+ Sport Mode, Activity Tracker Smart Bracelet, IP68 Waterproof, Birthday/Holiday/Lover/Appropriate Gift

2026 New Unisex Fashion Sports Screenless Smartwatch, Novel Design, Support Multi-Function Reminder, 100+ Sport Mode, Activity Tracker Smart Bracelet, IP68 Waterproof, Birthday/Holiday/Lover/Appropriate Gift

$25.09
LOKMAT MAX Wearable Smart Watch - 2.88-inch Large Screen, Android 11 System, 6G RAM + 128GB ROM, 4G Connection, Face Unlock, Dual Cameras, Wi-Fi, GPS Navigation, Detachable Band, Standalone Smart Device
Free shipping

LOKMAT MAX Wearable Smart Watch - 2.88-inch Large Screen, Android 11 System, 6G RAM + 128GB ROM, 4G Connection, Face Unlock, Dual Cameras, Wi-Fi, GPS Navigation, Detachable Band, Standalone Smart Device

2 sold
$249.00
Smart Fitness Tracker, 1 Count Multifunctional Sports Watch, 1.1-Inch AMOLED Color Display Smart Watch, Waterproof Smart Wearable Devices, Wearable Tech Gadgets for Women and Men
Free shipping

Smart Fitness Tracker, 1 Count Multifunctional Sports Watch, 1.1-Inch AMOLED Color Display Smart Watch, Waterproof Smart Wearable Devices, Wearable Tech Gadgets for Women and Men

4.41.3K sold
-34%$20.12$30.49
Rugged Military Wearable Smart Wristwatch for Men – Make/Answer Calls, 100-Day Battery, Flashlight, Compass, Heart Rate, SpO2, Sleep Monitoring, 2 Straps, Outdoor Fitness Watch Compatible with iPhone/Android Phones

Rugged Military Wearable Smart Wristwatch for Men – Make/Answer Calls, 100-Day Battery, Flashlight, Compass, Heart Rate, SpO2, Sleep Monitoring, 2 Straps, Outdoor Fitness Watch Compatible with iPhone/Android Phones

4 sold
Limited time deal
$22.99
JELLOO Smartwatch with Earbuds, Multifunctional 1.39" HD Touch Screen Sports Tracking with Call Answering, Message Notifications, Music Playback & Fitness Tracker, IP68 Waterproof, Compatible with iPhone & Android, Waterproof Fitness Smartwatches

JELLOO Smartwatch with Earbuds, Multifunctional 1.39" HD Touch Screen Sports Tracking with Call Answering, Message Notifications, Music Playback & Fitness Tracker, IP68 Waterproof, Compatible with iPhone & Android, Waterproof Fitness Smartwatches

4.5798 sold
-18%$70.67$86.19
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Introduction

On Forerunner 645, the useful cards are Smart Watches. Check size, count, or format as printed before you compare price.

  • Clasp or band type matching the photos.
  • Metal, plating, and size as written.
  • Set versus a single piece, as listed for Smart Watches. If Forerunner is a variant, it should appear on the spec line.

Open two or three Smart Watches listings, confirm the spec that matches how you will use it, then compare prices and ratings before you buy.

FAQs

Line up listings that are clearly smart watches. Compare what is in the box, one printed spec, and the use shown in photos. Drop cards that only share a search word with no matching product type.

Match the format on the spec line to how you will use it — kit or single, size, count, or model. Smart Watches listings vary; the photos should show the same format you are paying for.

Photos help, but they are not enough. Read the spec and contents for Smart Watches. If photos and title disagree, trust the contents list. Then compare prices and ratings on the remaining cards.

Skip anything that is not smart watches, even if the keyword appears. Also skip cards with no size, count, or format. Those gaps usually hide a lookalike or an incomplete kit.

Two or three genuine smart watches cards are enough. Confirm the spec that matches your use, then compare prices and ratings. Adding more lookalikes only makes the shortlist noisier.