Hamilton H82375161 Khaki Navy Scuba Auto 40mmThe Khaki Navy Scuba Auto, available in a variety of colorful dial and strap options, is guaranteed to make a splash. Its precise Swiss-made movement keeps time at the beach or in the ocean, and its eye-catching design adds a fresh, nautical look to any style.KHAKI NAVYInspired by marine pioneers and designed with ocean explorers in mind, Hamilton's Khaki Navy collection is guaranteed to make a splash in the style stakes. SELF-WINDINGWrist movements cause the inner rotor to swing, transferring energy to the mainspring, and powering your timepiece. SUPER-LUMINOVA®Super-LumiNova is a type of luminescent material applied to hands, dials and bezels to make them visible in the dark. STAINLESS STEEL CASETitanium watches are lightweight, stronger than stainless steel and durable. SAPPHIRE CRYSTALSynthetic sapphire crystal is a tough scratch-resistant material, only diamonds could leave a mark. H-10 CALIBERA three-hand automatic movement with a day-date function boasting a superior power reserve of 80 hours. WATER RESISTANCEYour timepiece is resistant up to 10 bar (100m) / 145 psi (328 ft).