The Master Carbon SEAL Automatic features a CARBONOX+ case, a ground-breaking material that is light, durable, hypoallergenic, weatherproof, and shock and scratch-resistant. Combining all the details for which Luminox is famous - toughness, luminosity, extreme water resistance, legibility, plus an automatic movement that also features a day and date window. To show off the mechanical movement powering this timepiece, Luminox has added an exhibition case back to show off the movement and automatic rotor. A vibrant red Cut-To-Fit rubber strap pairs handsomely with the black dial. Features: Weight: 110 grams Swiss Made Sustainability: comprehensively CO2 neutral watch and brand, scopes 1,2,3 of the Greenhouse Gas Protocol Swiss automatic movement Caliber Icon: SELLITA SW 220-1 Constant glow for up to 25 years Unidirectional rotating Case Material Icon: CARBONOX+ Case Size Icon: 45 millimeter Caseback Icon: 316L Stainless steel screw-in see through Height Icon: 14 millimeter 200 meters / 660 feet / 20 ATM Screw-in, crown protected Glass Material: Sapphire crystal, anti-reflective coating Genuine rubber strap 316L Stainless steel back