Casio classic watch A168WGG-1B

Water resistant • 1/100 second timing watch • EL backlight • Digital measurements basic information case size (length × width × 38.6 × 36.3 × 9.6 mm 49 grams case and frame material case/frame material: resin/black chrome-plated • strap stainless steel bracelet • adjustable clasp • water resistance water resistant • power source and battery life approximately 7 years on CR2016 • exterior resin glass resin glass surface treatment gray ion-plated strap watch features timing watch 1/100 second timing watch capacity: 59'59.99" measurement modes: elapsed time, split time, first and second center times alarm/time signal every hour daily alarm hourly chime backlight electroluminescent backlight color light EL: greenish blue calendar automatic calendar (28 days for February) accuracy accuracy: ±30 seconds per month other features 12/24 hour format regular time setting: digital: hour, minute, second, PM, date, day