Casio Edifice EF-554SP-1AVDF

• 1/20-second chronograph
• Tachymeter
• Fast-moving retrograde dial at 6 o’clock
• 100-meter water resistance
• Stainless steel case and band
• Powerful four-dial face

• Partial ion plated
• Retrograde dial
• Carbon fiber dial
• Mineral Glass
• Tachymeter
• Screw Lock Crown
• Screw Lock Back
• 100-meter water resistance
• Case / bezel material: Stainless steel
• "Double-lock, 1-press, 3-fold Clasp"
• Stainless Steel Band
• Solid Band
• 1/20-second stopwatch
  Measuring capacity: 11:59’59.95"
  Measuring mode: Elapsed time
• Date display
• Regular timekeeping
  Analog: 3 hands (hour, minute, stopwatch seconds),
  4 dials (timekeeping 24-hour, timekeeping second /
  stopwatch 1/20 seconds, stopwatch hours, stopwatch minutes)
• Accuracy: ±20 seconds per month
• Approx. battery life: 2 years on SR927W
• Size of case: 51.5 × 48.1 × 12.7 mm
• Total weight: 195 g