Casio • EFS660D-1A • Edifice

This analog timepiece packs all the tracking functions you need into a slim, compact case measuring just 38.3 mm. The center chronograph seconds hand delivers a high-precision 1/20 second stopwatch, while the tachymeter around the periphery of the bezel helps you calculate your average speed. The dial is treated to a sophisticated textural finish, yet still lets enough light through to generate the solar power to keep you going strong. Designed with readability in mind, the center seconds hand ensures you know the time at a glance, delivering the practical utility every motorsport enthusiast wants. With sapphire crystal, 100-meter water resistance, and solar power charging, this watch delivers reliable support, no matter what your day brings. Choose your favorite style — The sharp, fearless EFS-S660D-1A with stainless-steel case and band and blue center seconds hand, or the sporty EFS-S660PB-1A with gray ion-plated case, resin band and red center seconds hand. SPECIFICATIONS Case size (L× W× H) 45.3 × 38.3 × 11.6 mm Weight 129 g Case and bezel material Stainless steel Band Stainless Steel Band One-touch 3-fold Clasp Water resistance 100-meter water resistance Power supply and battery life Solar powered Country Of Origin China Glass Sapphire crystal with anti-reflective coating Bezel features Tachymeter Compatible band size 150 to 205 mm Stopwatch 1/20-second stopwatch Measuring capacity: 59'59.95'' Measuring modes: Elapsed time, split time, 1st-2nd place times Battery display/alert Low battery alert Run time Operating time from full charge until hands stop: Approx. 5 months Accuracy Accuracy: ±20 seconds per month Other features Regular timekeeping: Analog: 3 hands (hour, minute, stopwatch seconds), 3 dials (timekeeping second, stopwatch 1/20 second, stopwatch minutes) Date display