The Adina Oceaneer prestige sports watch is a robustly constructed time piece from cold stamped, nickel free stainless steel and has a luxurious feel to it. The 40mm knurled bezel case, features a sapphire crystal glass and this watch is 100m water resistant. The watch contains a bi-oring crown system for superior water and dust protection. - also available in silver, 2tone (with rose gold/silver) and gold and/or with a black, blue, green and brown face