Specifications: Luminous - BGW9 On Hands,Hour Markers, All Markers and Numbers On Bezel, Top Grade Long Lasting Luminous Crown - Screw Down With Triple Seal Crown to Ensure 500M Water Tightness, Integrated Case Crown Guards, Trident Logo on Crown Case Back - Screw Down Triple Seal to Meet 500M Standard Case Material - 316L Surgical Stainless Steel Case Size - 42 mm, Brushed, Polished Bezel, Sides of Case Are Polished. Lug to Lug Length is 49.5mm Case Thickness - 14 mm Lug Width - 22 mm Case Shape - Round Crystal - Nearly Scratchproof Anti Reflective Domed Sapphire, 4mm Thick. Sealed with O-Ring to Ensure Water Tightness. Bezel - Stainless Steel (Fixed Position). Tachymeter. Full Lume Bezel with BGW9 Luminous. Dial Color - Black Dial Type - Analog Movement - Quartz, Swiss Movement Movement Calibre - Swiss Made Ronda Z50 Movement With Following Functions: Hours, Minutes, Central seconds, Date, Small seconds and 30 minute counter Calendar - Date @ 6 Band Type - Bracelet, All brushed Steel Band - Material Solid Link 316L Stainless Steel Clasp - Push Button Milled Clasp with Oceaneva Trident Logo.