Movement - MANACA self-design Electronic digital movement

Display -High bright OLED

Case size - 40.15*41.5MM

Case thickness - 17.3MM

Strap size - 10-22CM

Strap width size - 18MM

Case material - Alloy

Case back - Stainless steel

Strap material - Stainless steel

Glass material - Mineral glass

Waterproof - 30M

Weight - 120G

Strap adjustable - YES

Strap replaceable - YES

Battery replaceable - YES

Battery model - CR2032