Galaxy Watch9 | 3.81 cm (1.5") | AMOLED | Display type Digital | Display resolution 480 x 480 pixels | Touchscreen Yes | RAM capacity 2 MB | Shape Round | Market positioning Smartwatch | Watch case size 44 mm | Watch case colour Graphite | Watch case material Aluminium | Band colour Black | Heart rate monitor Yes | Near Field Communication (NFC) Yes | Wi-Fi Yes | Battery type Built-in battery | Weight 34 g