Additional Details ------------------------------ Product description: ◆Case Material: Stainless Steel
◆Band Material: Stainless Steel
◆Glass material: mineral crystal
◆Movement: Automatic
Waterproof function: Water resistant for everyday use (3 ATM).
◆Case Diameter: 37mm
◆Case thickness: 0.4 inches (11 mm)
◆Other Functions: Calendar (date, week).