The original for real guys high quality precise miyota quartz movement 20 seconds month sturdy exact time keeping dust protected waterproof and is safe on your arm ideal for people who work with their hands you can read the time in the dark and the battery is long lasting 20 bar 200 m waterproof tested stainless steel casing 43 mm diameter jointed strap full material can be shortened 20 mm strap width safety clasp adjustable strap length 210 mm 10 year long la