On 12 October 2021, Huami, unveiled three new watch models under its Amazfit brand: GTR 3, GTS 3, and GTR 3 Pro. With this launch Huami debuted its Zepp OS and its long-awaited blood pressure sensor which is only available on the GTR 3 Pro model.
Amazfit GTR 3, GTR 3 Pro and GTS 3 smartwatches are official and looking good - PhoneArena
Amazfit makes the GTR 3 and 3 Pro official - News
Amazfit GTR 3 Pro Review: Incredible and premium, with a catch - Phandroid
Amazfit launches GTR 3, GTR 3 Pro, and GTS 3 smartwatches in India with BioTracker PPD 3.0 sensors, 12-day battery life, and 150+ workout modes starting from ₹13,999 (US$187) - News
⌚ Amazfit GTR 3 Pro vs Amazfit GTR 3 vs Amazfit GTS 3
Amazfit GTR 3 vs GTS 3: Which is better?
Zepp Health Releases Amazfit GTR 3 and GTS 3 Series Smart Watches - Pandaily
Amazfit GTR 3 Pro v GTR 3 v GTS 3: Key differences compared - Wareable
Zepp Health Releases Amazfit GTR 3 and GTS 3 Series Smart Watches - Pandaily
Amazfit GTR 3 Pro vs GTR 3 vs GTS 3: Which Should You Buy?