Mathematical Watch

Features

• Mathematical Formula Watches For Science Students, high quality leather strap Japanese quartz movement, suitable for men and women, students, etc.
• About watehs：Japanese quartz movement, Case Size: 35.5mm x 35.5mm, Band Width: 20mm, Band Length: 22cm
• Water Resistant To 99 feet (30 M): Suitable for everyday use. Splash/Rain resistant. Not suitable for showering, bathing, swimming, snorkelling, water related work and fishing. Not suitable for diving, do NOT press any key underwater.
• MATERIAL: 100% Cow Genuine Leather Watches leather strap 20mm suit for woman & men and is very soft and durable,watch face and case that are healthy and comfortable .
• MOVEMENT: the Imported Japan quartz movement to guarantee an accurate time,and battery that can last the wristwatch more time also we will sent you Backup battery the gift Box.