CASIO Wristwatch Standard Digital LA-670WA-1JF

● Accuracy: average month difference ± 30 seconds ● Case / bezel material: resin ● Glass Material: resin glass  On the glass material that covers the dial uses a resin ● Band Material: Stainless Steel Band clasp structure ●: free buckle ● Size: 30.3 x 24.6mm x 7.3mm (H x W x D) ● Weight: 26.0g ● mountable size: about 135 ~ 180mm ● waterproof for daily life ● Battery life: about 2 years ● Use battery: SR1116W ● band adjustment method: free type ● stopwatch  One-tenth of a second, 60-minute ● preset timer  Set up: 30 minutes, preset time: 1/3/5/10/15/20/30 minutes ● Alarm Times ● Auto calendar  Except for leap year, it does not require the end of the date correction.