Reactor Ladies Quark Mid - White Mother-of-Pearl - Stainless - Day Date WindowFeaturing a lustrous white mother of pearl dial, this functional mid sized Reactor Quark has a solid, forged stainless steel case and bracelet for toughness and durability. White mother of pearl dial with day date window at the 3 o'clock position Solid forged 316L stainless steel case and bracelet Screw down crown with crown guards (still water resistantwhen unscrewed, a feature unique to Reactor) Superluminova; For superior low light visibility,