The classic and elegant Timeless Classic watch, the dial is made of deep blue and unique shining luster of blue sandstone, creating a mysterious and romantic starry sky on the wrist; the stainless steel case is paired with charming diamonds, echoing the starry dial, showing a unique fashion taste. Case: 31mm and 36mm steel case with polished and satin finish Waterproofness:10ATM Swimming is allowed, but only for shallow swimming (Do not operate the watch handle head in water or when the watch is wet, to prevent water from entering the table machine) Movement: Ronda 763 Crystal: Scratch resistant sapphire crystal. Bracelet: Stainless steel jubilee bracelet with fold over clasp. Fits 6.5"-9.5" wrist Strap color：steel color