The Xiaomi Redmi Watch 4 brings a larger 1.97 inch display, along with some improvements in functionality.
Xiaomi Redmi Watch 4: Coming soon with high-quality metal housing, large AMOLED and customization options - News
Chinese Version Xiaomi Redmi Watch 4 Smart Watch 1.97'' AMOLED Screen Blood Oxygen Optical Heart Rate Monitor SmartWatch GPS NFC - AliExpress
Redmi Watch launched as the brand's first smartwatch priced at 269 yuan(~$40) - Gizmochina
Xiaomi Rolls Out the Redmi Watch 4 To Global Markets
Xiaomi Rolls Out the Redmi Watch 4 To Global Markets
Motorola Moto Watch 70 listed on Best Buy Canada - news
Xiaomi Rolls Out the Redmi Watch 4 To Global Markets
Redmi Watch 4 vs Xiaomi Mi Smart Band 8 Pro: Feature by feature
Redmi Watch 3, Redmi Band 2 and Redmi Buds 4 Youth Edition official in China