Casio CRW-001G-9DR Digital Stainless Steel Strap Ring Watch

Case size (L× W× H): 25.2 × 19.5 × 6.2 mm
Weight: 16 g
Case and bezel material
Stainless steel
Water resistance
Battery: SR621SW
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.
Dual time
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.
LED backlight
May not be visible in bright light.
Light color
LED:White
Auto-calendar (28 days for February)
Accuracy: ±30 seconds per month
Other features
12/24-hour format
Regular timekeeping:
Digital: Hour, minute, second, pm, month, date, day