60s 0.1s Mechanical Stopwatch Chronograph Physics Teaching Aid Lab Instrument

Specifications: One start/stop botton, one reset botton. Great teaching aid and experiment instrument. Made of high quality metal material, it is durable.

Type: Mechanical Stopwatch Material: Iron Feature: Portable, Durable, Easy to Use Size: 8.5 x 4 x 10cm/3.35 x 1.57 x 3.94" (Approx.)

Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.

Package Includes: 1 x Mechanical Stopwatch