1Piece 30s/60s Mechanical Stop Watch Second Chronograph Teaching Timer Mechanical Stopwatch Teaching Instrument

Description:Brand New And High Quality.Features:The Watch Machine Adopts Stainless Steel Spring,Single Metal Light Balance Wheel,Nickel Base Alloy Hairspring And Anchor Vertical Mechanism.The Movement Contains 13 Gemstones,It Can Maintain Normal Operation In The -10 To +40 Temperature Range.Normally Maintained Within °C Temperature Range.One Button Function- Starts,Stops And Returns To Zero By Consecutive Crown Depressions.This Sports Stopwatch Is Easy To Install And Use,Just Put The Timer On The Watch,Then You Can Start Using It.Suitable For Any Occasion,This Sports Timer Is Suitable For All Kinds Of Sports,Such As Basketball,Football,Baseball,Tennis,Running,Etc.Specifications:Material:Stainless Steel+MetalColor:SilverStyle:504:(30 Seconds/Circle/No Pause)505:(60 Seconds/Circle/No Pause)803:(30 Seconds/Circle/With A Pause)806:(60 Seconds/Circle/With A Pause)Package Include:1PCS X Mechanical StopwatchNote:1. Please Allow 1-3 CM Error Due To Manual Measurement.2. As Different Computers Display Colors Differently,The Color Of The Actual Item May Vary Slightly From The Above Images,Thanks For Your Understanding.