Features 1、Dial Specification: 60 second mechanical stopwatch with 0.2s scale value design, the large dial display to ensure clear and accurate readings, which is convenient and practical. 2、Button Operation: This mechanical stopwatch is equipped with start, pause, and reset buttons, which are simple and convenient to operate, and can be used anytime, anywhere. 3、Durable Materials: This round mechanical stopwatch is made of excellent metal and plastic materials, and can be used at temperatures of ‑10℃ to 40℃, with a long service life. 4、Wide Applications: The mechanical stopwatch can be used for various projects, such as running timing, cycling timing, physics experiments, sports education course testing and so on. 5、Compact Design: This circular stopwatch features a compact size and lightweight design, making it easy to use, store, and carry. It can be placed in your pocket, bag, or backpack. Specification Item Type: Mechanical Stopwatch Material: Metal, Plastic, Acrylic Size: Approx. 8.5 x 10cm / 3.3 x 3.9in Package List 1 x Mechanical Stopwatch