Thin wrist metal watchband case $ 17.42 Color Classification: Rose gold strap + rose gold case Black strap + black case Pink strap + pink case Silver strap + silver case Strap size: 38mm (1st generation/2rd generation/3rd generation) 42mm (1st generation/2nd generation/3rd generation) 40mm (4th generation/5th generation) 44mm (4th generation/5th generation)