Measure Lug Width
APPLE SIZE
Apple Watch Series 8 ULTRA 49mm 24mm
Apple Watch Series 8 45mm 24mm
Apple Watch Series 8 41mm 22mm
Apple Watch Series 7 45mm 24mm
Apple Watch Series 7 41mm 22mm
Apple Watch Series 6, 5 & 4 44mm 24mm
Apple Watch Series 6, 5 & 4 40mm 22mm
Apple Watch SE 44mm 24mm
Apple Watch SE 40mm 22mm
Apple Watch Series 1, 2 & 3 42mm 24mm
Apple Watch Series 1, 2 & 3 38mm 22mm
Apple Watch 1st generation 42mm 24mm
Apple Watch 1st generation 38mm 22mm