Nollimet 7PCS Geneva Alloy Silicon Quartz Simple Elegant Fashion Watches Assorted Color Wristwatch Movement:Quartz Diameter:approx 38mm / 1.50". Band Length:24cm/9.45" approx. Band Width: 2cm/0.79" approx Band material:silicone Case material:alloy Water resistant: not suitable for swimming, shower,diving.