Question: what sizes are apple watch series 3?
Answer: Aluminum case - 38mm. Height: 38.6mm. Width: 33.3mm. ...  Aluminum case - 42mm. Height: 42.5mm. Width: 36.4mm. ...  Stainless Steel case - 38mm. Height: 38.6mm. Width: 33.3mm. ...  Stainless Steel case - 42mm. Height: 42.5mm. Width: 36.4mm. ...  White Ceramic case - 38mm. Height: 39.2mm. Width: 34.0mm. ...  White Ceramic case - 42mm. Height: 42.6mm.