Casio F-91W-1XY Men's Resin Digital Watch Features: - Colour: Black - Dial Code: Digital - Water Resistant - Daily Alarm - Auto Calendar - 1/100 second digital stopwatch - Measuring modes: Net time, split time, 1st-2nd place times - Hourly Time Signal - 12/24 Hour Formats - Accuracy: 30 seconds per month - Battery CR2016 - Module 593 Specifications: - Band Material: Resin - Size of case: 38.2mm x 35.2mm x 8.5mm - Total weight: 22g - Diameter: 9cm