Model No. T137.463.11.050.00 is water-resistant up to 10 bar (100 m / 330 ft), features a scratch-resistant sapphire crystal, and comes with a grey 316L stainless steel strap equipped with an interchangeable quick-release system and butterfly clasp with push-buttons. https://saicreationswatches.com/products/t1374631105000-t-classic-prx-digital-watch-for-men