TECHNICAL DATA:

• Brand : CASIO
• Model : F-91W
• Mechanism : Precise battery-powered quartz
• Dial: Digital LCD dial - clear and functional
  
• Case : Resin material
• Glass : Resin Glass
  
• Strap: Resin Material Resin Standard Features:
  
• Standard functions: hour, minute, second, pm, date, day
• Additional functions: 1/100 second stopwatch / alarm / hourly signal / automatic calendar / 12/24 hour time
• Backlight: LED
  
• Water resistance: WR (Water Resistant)
  
• Anti-allergic : Yes - nickel-free
• Battery life: 7 -year battery life

DIMENSIONS in mm:

• Case: 38.2 mm × 35.2 mm
• Thickness: 8.5 mm
• Strap width: 22 mm
• Circumference: 135 mm - 215 mm
• Weight: 21 g

• Case/Strap: black
• Dial: black with blue border
• Background color: light gray + black numbers