A159WA-N1DF
• Case / bezel material: Resin / Chrome plated
• Adjustable Clasp
• Stainless Steel Band
• Water Resistant
• LED light
• 1/100-second stopwatch
• Measuring capacity: 59’59.99″
• Measuring modes: Net time, split time, 1st-2nd place times
• Daily alarm
• Hourly time signal
• Auto-calendar (set at 28 days for February)
• 12/24-hour format
• Regular time keeping: Hour, minute, second, pm, date, day
• Accuracy: ±30 seconds per month
• Approx. battery life: 7 years on CR2016
• Size of case : 36.8×33.2×8.2mm
• Total weight : 44g

A158WA-1DF
• Case / bezel material: Resin / Chrome plated
• Adjustable Clasp
• Stainless Steel Band
• Resin Glass
• Water Resistant
• LED light
• 1/100-second stopwatch
Measuring capacity: 59’59.99″
Measuring modes: Net time, split time, 1st-2nd place times
• Daily alarm
• Hourly time signal
• Auto-calendar (set at 28 days for February)
• 12/24-hour format
• Regular time keeping: Hour, minute, second, pm, date, day
• Accuracy: ±30 seconds per month
• Approx. battery life: 7 years on CR2016
• Size of case : 36.8×33.2×8.2mm
• Total weight : 46g