Custom design precision brushed 316l stainless steel case as well as custom shock absorption system swiss made movement with date feature 5 year battery with end of battery life indication permanently sealed crowns internal bezel controlled by upper crown both crowns knurled with engraved logo detail superluminova markings individually tested in water to 200m20atm water resistance hardened and tempered domed mineral crystal with internal anti reflective coating black oiled leather stra