EISCO premium mechanical analogue stopwatch. A perfect high quality stopwatch for measuring short of medium intervals . A metal casing stopwatch has off white dial for an excellent visibility of numbers which are printed in black and red for contrast . The watch completes one rotation in 30 seconds and has marking in black. The red markings indicate 31 to 60 seconds. The dial hosts a 15 minute watch with half a minute interval markings .This heavy duty stopwatch consists of stainless steel, single metallic balance, nickel based alloy hairspring, anchor escapment . An amazing watch to gift to professionals, fitness individuals, sportsmen, coaches, field professionals, lab professionals, teachers and pretty much everyone would enjoy and use this magnificent stopwatch. The stopwatch has a winding mechanism to make it run hence makig it a lifelong piece to have or to gift. Runs within outside temperatures of -10 degree celcius to 40 degree celcius. Size: 70 x 50 x 16 mm . Weighs 120 grams.