Features: case / bezel material: resin resin strap resin crystal digital display 1/100-second stopwatch led light daily alarm hourly time signal automatic calendar (february with 28 days) 12/24-hour formats regular time keeping am/pm indicator accuracy: ± 30 seconds per month buckle clasp 50m water resistance approximate size of case: 37.1 x 33.6 x 8.7mm
