Technical details
| Water resistance |
10 ATM |
| Clock mode |
12h/24h |
| Stopwatch |
Y |
| Chronograph |
Y |
| Screw-in crown |
Y |
| Mechanism type |
Tough Solar |
| Watch dial type |
Analog dial |
| Waterproof up to |
100 m |
| Number of watch hands |
3 |
| Accuracy |
±20 sec/month |
Power
| Battery life |
0.5 year(s) |
| Battery level indicator |
Y |
Design
| Watch dial color |
Black |
| Type |
Wristwatch |
| Watch marker style |
Arabic numerals/Non numeral |
| Form factor |
Round |
| Watch glass type |
Mineral |
Additionally
| Watch marker colour |
White |
100 m, 1/5 s, 12/24 h, ±20 s/month
The new EFR545 series of timepieces are powered with Casio’s Tough Solar technology. These eco-friendly solar battery-powered timepieces can be charged even in low or fluorescent light, eliminating the need for continuous battery changes.
In addition, the EFR545 series of watches come equipped with a 1/5th second chronograph, tachymeter, 12/24 hour sub-dial, and are water resistant up to 100 meters and also feature a low battery alert.