1、Plastic strap is durable and 304 stainless steel back case is anti-allergy 2、Having 12-hour analog, 24-hour digital, week, date, alarm and back light functions 3、LED back light is cool and convenient especially at night 4、Quartz and electronic dual movement ensures accurate time keeping and easy maintaining 5、Organic glass is resistant to wear, scratch, dirt and moisture, which will still keep good transparency after long time use Features: Plastic strap is durable and 304 stainless steel back case is anti-allergy. Having 12-hour analog, 24-hour digital, week, date, alarm and back light functions. LED back light is cool and convenient especially at night. Quartz and electronic dual movement ensures accurate time keeping and easy maintaining. Organic glass is resistant to wear, scratch, dirt and moisture, which will still keep good transparency after long time use. Threaded crown is easy to wind. 50m waterproof is enough to meet your daily needs. 304 stainless steel adjustable pin buckle is convenient to wear and secure to fit. Suitable for sport, casual, etc. Specifications: Brand: SMAEL Material: Plastic Strap / Case+ Stainless Steel Buckle / Back Case + Organic Glass Optional Colors: Red Strap, Blue Strap, Orange Strap Display: Analog & Digital Watch Shape: Round Movement: Quartz + Electronic Style: Sport Water Resistance Rating: 50m (5 ATM) / 164ft Strap Length: 15.5-22cm / 6.1-8.7inch Strap Width: 2.5cm / 1.0inch Dial Diameter: 4.5cm / 1.8inch Inner Circumference: 16-21cm / 6.3-8.3inch Weight: 75g Type: Wristwatch Package Includes: 1 x Watch