The Timeless Appeal of Luxury Watches:From Retro Straps to Skeleton Dials
The Timeless Appeal of Luxury Watches:From Retro Straps to Skeleton Dials The Timeless Appeal of Luxury Watches:From Retro Straps to Skeleton Dials
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Home Sports Chronographs Regatta Countdown Timer Function
B640WB-1B (Black)
B640WB-1B (Black)
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$ 86.02

$ 66.17

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Product Details

 

Size of case : 38.9×35×9.4mm

Case / bezel material: Resin

Stainless Steel Band

Adjustable Clasp

Resin Glass

Black ion plated band

Black IP

50-meter water resistance

LED Backlight
Afterglow

Flash alert
Flashes with buzzer that sounds for alarms, hourly time signal

1/100-second stopwatch
Measuring capacity:
00'00"00~59'59"99 (for the first 60 minutes)
1:00'00~23:59'59 (after 60 minutes)
Measuring unit:
1/100 second (for the first 60 minutes)
1 second (after 60 minutes)
Measuring modes: Elapsed time, split time, 1st-2nd place times

Countdown timer
Measuring unit: 1 second
Countdown range: 24 hours
Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)
Other: Auto-repeat

Multi-function alarm

Hourly time signal

Full auto-calendar (to year 2039)

12/24-hour format

Regular timekeeping: Hour, minute, second, pm, month, date, day

Accuracy: ±30 seconds per month

Approx. battery life: 3 years on CR2016

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