Swiss Military Men's Sky Elite Tachymeter Watch

It has all stainless steel,39MM,screw back and solid stainless steel. It has luminous index and luminous hands for easy night reading. It has scratch resistant sapphire crystal and it is water resistant for 100 M.It has Swiss precision quartz movement. It functions tachymeter,small second ,accumulated timing,intermediate timing,date,centre stop second,1/10 seconds up to 30 minutes,10 hour counter,30 minute counter.