We celebrate Casio Watch’s 50th anniversary by bringing back the very first ring watch. A whole new style of digital watch — both practical and playful — thanks to a miniature module and advanced metalworking technology.
- 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;
- Glass: Mineral Glass;
- 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;
- 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.
| Brand | CASIO |
|---|---|
| Features | CASIO WATCH 50TH ANNIVERSARY CASIO RING WATCH Check dual city time at a glance |
| Collection | Vintage & Retro |
| Type | Digital |
| Color | Silver |
| Product Launch Date | Dec 2024 |
We celebrate Casio Watch’s 50th anniversary by bringing back the very first ring watch. A whole new style of digital watch — both practical and playful — thanks to a miniature module and advanced metalworking technology.
- 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;
- Glass: Mineral Glass;
- 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;
- 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.
| Brand | CASIO |
|---|---|
| Features | CASIO WATCH 50TH ANNIVERSARY CASIO RING WATCH Check dual city time at a glance |
| Collection | Vintage & Retro |
| Type | Digital |
| Color | Silver |
| Product Launch Date | Dec 2024 |
