Student Square Digital Watch TPU Strap EL Backlight Electronic Watch 2193 - Black / Black Dial / Gold Features: Casual and stylish square electronic watch, suitable for students and businessmen Soft TPU strap, easy to adjust the size, and is comfortable to wear With EL luminous function, the time can be seen in the dark easily With stopwatch, date display, day of the week display, alarm clock function, practical and convenient 50m daily waterproof function, you can wear it for swimming, washing your hands, or getting in the rain Specifications: Model: 2193 Movement: electronic movement Battery model: CR2025 (included) Waterproof: 50 meters daily waterproof Mirror surface material: resin Case: ABS+zinc alloy Strap: TPU Buckle: stainless steel Bottom cover: stainless steel Case width: 4.43cm Case height: 5.15cm Case thickness: 1.33cm Strap width: 2.4cm Total length of watch: 26cm Function: 2 time, stopwatch timing, date, alarm, day of the week, EL luminous, hourly time reminder, 12/24 ho