Casio Mens Data Bank Calculator Watch. Features: - Resin Glass - Case / bezel material: Resin - Stainless Steel Band - Adjustable Buckle - LED light - Auto light switch, afterglow - Data Bank - Memory capacity: Up to 25 sets of data, with 8-character name and 15-digit telephone number - Others: Remaining memory screen, auto-sort, support for characters of 13 languages (English, Portuguese, Spanish, French, Dutch, Danish, German, Italian, Swedish, Polish, Romanian, Turkish, Russian) - Dual time - Other: Daylight saving time - 8-digit calculator - Calculation modes: Arithmetic operations and currency conversion - 1/100-second stopwatch - Measuring capacity: 23:59'59.99" - Measuring modes: Elapsed time, split time, 1st-2nd place times - 5 multi-function alarms (with 1 snooze alarm) - Alarm type: Daily alarm, date alarm, 1-month alarm, monthly alarm - Hourly time signal - Full auto-calendar (to year 2099) - 12/24-hour format - Button operation tone on/off - Regular timekeeping: Hour, minute, second, am/pm, year, month, date, day - Accuracy: +-30 seconds per month Specifications: - Approx. battery life: 3 years on CR1616 - Size of case: 46.5mm x 33.1mm x 8.7 mm - Weight: 48 g - Warranty: 12 Months