Classic Black Casio F-105 3298 Illuminator Digital Tech Swag Neon Filter MOD Key Features Dimensions: 35.4mm case width, 9.6mm thickness, and incredibly lightweight at just 21 grams. Functions: 1/100-second stopwatch, daily alarm, hourly time signal, and an auto-calendar. Battery Life: Runs on a CR2016 battery, delivering approximately 7 years of power. Water Resistance: Everyday splash resistance (suitable for rain and minor splashes, but not for swimming). ** Please note the stand seen in pictures is not included in the purchase of the watch. ** Please see other items for sale. ref# 028