Luminox Bear Grylls Survival ECO Master XB.3743.ECO 45mm Ocean Blue Men’s Watch,
Luminox Bear Grylls Survival ECO Master XB.3743. Crystal glass material: Sapphire crystal, anti-reflective coating. Lug width: 24 mm. Case back: 316L Stainless steel screw in. Crown: Screw in, double security gasket, crown protected.