I want to sell my Apple watch

-Always-On Retina LTPO OLED display, 1000 nits. -Ion-X glass display on aluminium cases; sapphire crystal display on stainless steel and titanium cases. -GPS and GPS + Cellular models. -S6 SiP with 64-bit dual-core processor; W3 wireless chip; U1 chip (Ultra Wideband) -Digital Crown with haptic feedback -Blood oxygen sensor; electrical heart sensor and third-generation optical heart sensor -High and low heart rate notifications, irregular heart rhythm notification, and ECG app -International emergency calling, Emergency SOS, and fall detection -Water resistant 50 meters -LTE and UMTS, Wi-Fi, and Bluetooth 5.0