Xiaomi Redmi Watch 3. Display diagonal: 4.45 cm (1.75"), Display technology: AMOLED, Display resolution: 390 x 450 pixels, Touchscreen. GPS (satellite). Battery capacity: 289 mAh. Waterproof up to: 50 m, Band material: Silicone, Thermoplastic polyurethane (TPU), Band colour: Black, Band size: One Size