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Amazon.com: Amazfit T-Rex Ultra Smart Watch for Men, 20-Day Battery Life, 30m Freediving, Dual-Band GPS & Offline Map Support, Mud-Resistant 100m Water-Resistant, Military-Grade Outdoor Sports Watch, Black : Electronics
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Amazon.com: Amazfit T-Rex Smart Watch with GPS, Military Outdoor Sports Watch for Men,20-Day Battery Life, 1.3'' AMOLED Display,5 ATM Water Resistant, 14-Sports Modes, Heart Rate Sleep Monitor, Rock Black : Electronics
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