Product Specification: Case Diameter: 38mm/1.49"" Case Thickness:7mm/0.27"" Band Width:20mm/0.78"" The Max perimeter: 215mm/8.46"" The Min perimeter: 147mm/5.79"" Case Material:Zinc alloy steel Band Material:Silicone Movement: Japanese quartz movement FULL LUMINOUS DIAL Tips: The dial can be used at night after absorbing natural light such as light and sunlight for 30 minutes. Product Description: 1.12/24 Hour & Military Time Easy-to-read dial with 12/24 hour markers and highly visible red second hand,easier to read time. 2.FULL LUMINOUS DIAL The dial can be used at night after absorbing natural light such as light and sunlight for 30 minutes. 3.Quick-relase Spring Bars & Stainless Steel Buckle Stainless steel quick-relase spring bars and buckle,enhance the durability of the watch and make it easier to replace the strap. 4.Silicone Band More comfortable to wear, suitable for different occasions 5.Daily waterproof 3 ATM water-resistant adapts to daily life, can be used in hand washing, water splashing, rainy days, etc. Package include: 1 * Watch for women 1 * Manual 1 * Gift Box Note: The watch only supports daily waterproofing and does not support swimming, showering, etc. Please DO NOT press any buttons under water.