316l stainless steel – the highest grade of stainless steel for waterproofing, strength and non-corrosion in a marine environment. enamel filled – bringing colour to life to new parts of your watch Jeweled movements – synthetic rubies which serve as bearings for gears in watches. This reduces torque & friction allowing your watch to run more accurately for longer. Genuine leather – top grade leather, made from the best looking bull in the paddock. Waterproof tested to 100m