​​​​​​
Major Features
Check dual city time at a glance
Specifications
Basic Information
Case size (L× W× H)
25.2 × 19.5 × 6.2 mm
Weight
16 g
Case and bezel material
Stainless steel
Water resistance
Water Resistant
Power supply and battery life
Approx. battery life: 2 years on SR621SW
Exterior
Glass
Mineral Glass
Surface treatment
Gold ion plated case
Compatible band size
The ring has an inner diameter of 20 mm and a circumference of 62.8 mm, fitting a size 22 finger (US 10.5, EU U). Two size-adjusting spacers in size 19 (19-mm inner diameter) and 16 (18-mm inner diameter) are included.
Watch Features
World time
Dual time
Stopwatch
1/100-second stopwatch Measuring capacity: 00'00''00~59'59''99
Alarm/hourly time signal
Time flash (daily and every hour on the hour) * The Time Flash light may not be visible when ambient lighting is bright. * Time Flash is intended for entertainment purposes.
Light
LED backlight
May not be visible in bright light.
Light color
LED:White
Calendar
Auto-calendar (28 days for February)
Accuracy
Accuracy: ±30 seconds per month
Other features
12/24-hour format
Regular timekeeping: Digital: Hour, minute, second, pm, month, date, day