Specifications Grade 1 Swiss ETA Genuine Swiss Made Swiss ETA 2892-2 27 Jewel Movements 72 Hour Power Reserve Laser etched crown at 6 o'clock Rubber Seal -O- ring on case and crown Free Deluxe Box Set, with paperwork & tags 904L Stainless Steel Used 1 piece forged case construction Solid 18k gold on all 2-tone models Scratch-proof sapphire crystal 100% correct date fonts Real 2.5x Date Magnification Closed 6 and 9 date fonts Large threaded screws on band Serial and model # between lugs One-piece solid screw down crown Genuine luminox hour markers Shock resistant movement True hologram sticker Waterproof up to 30 meters