Samsung Galaxy Watch 5 Pro SM-R925 45mm Titanium Black (4G)
The product shown in the image is the Samsung Galaxy Watch 5 Pro 4G/LTE 45mm in Black Titanium. The model number is SM-R925F (specifically SM-R925FZKAEUA for the UK version). Samsung SM-R925FZKAEUA Galaxy Watch5 Pro LTE Titanium.