Detailed with rubberized center links, this Apple Watch® replacement band is both stylish and versatile. Fit: 42mm (Series 10) & 38/40/41mm Band circumference including Apple Watch® device: 178mm-193mm (7"-7.5") Band width: 18mm 42 mm (Series 1-3 only) & 44/45/46/49mm (Ultra & Ultra 2) Band circumference including Apple Watch® device: 182mm-197mm (7-7.75") Band width: 20mm