The storm slim x xl is a classic looking watch with a smart minimalist dial the ultra slim silver strap is made from highly polished stainless steel with a signature lazer blue dial the slim x xl is waterproof to 50m with a date feature storms signature lazer blue glass is iridescent and may appear different shades of blue under different light r r specificationr r features slim watch date curved glassr movement japaneser battery standard typer case material stainless steelr case siz