Movement: SUNON PE10

Factory Certification: ISO9001

Hands material: Copper

Glass: Mineral glass

Buckle: Jewelry buckle

Case material: Alloy

Waterproof: 3ATM

Strap material: Alloy

Battery Life: 2-3 years

OEM & ODM: Welcome

Case Size:22.0mm*28.0mm

Case Thickness:7.9mm