Band material: silicone

Case material: plastic

Clasp type: hidden 

Dial window material: coated glass

Features: stop watch, back light, shock resistant, LED display, calendar, water resistant, alarm

Large dial and numbers with light

Use EL lamp, press "LIGHT" button to see the time clearly in the light

Silicone band with the sport design make it comfortable to wear
Strap material: resin
Case material: high quality PC
Band material: silicone/rubber
Surface material: acrylic
Dial material: acrylic

Dial diameter: 50 mm / 1.97 inch

Band width: 21 cm / 8.3 inch

Case thickness: 15 mm / 0.59 inch

Band length: 25.6 cm / 10.08 inch

Case diameter: 50 mm / 1.97 inch
Dial thickness: 15 mm / 0.59 inch
Strap width: 21 mm / 0.83 inch
Strap length: 256 mm / 10.08 inch(including case)
Min. wrist circumference: 170 mm / 6.69 inch
Max. wrist circumference: 230 mm / 9.06 inch