Galaxy Watch9 | AMOLED | 3.3 cm (1.3") | Display type Digital | Display resolution 438 x 438 pixels | Touchscreen Yes | RAM capacity 2 MB | Shape Round | Market positioning Smartwatch | Watch case size 40 mm | Watch case colour Graphite | Watch case material Aluminium | Band colour Graphite | Heart rate monitor Yes | Near Field Communication (NFC) Yes | Wi-Fi Yes | Bluetooth version 6.0 | Battery type Built-in battery | Weight 31.5 g