Casio Vintage F-91WM-1B

The Casio Vintage F-91WM-1B pairs authentic Casio styling with dependable timekeeping for everyday wear. The verified specifications are organized below for quick comparison. Technical Details Model: F-91WM-1B Case / bezel material: Resin Resin Band 1/100-second stopwatch Daily alarm LED Light: Green Auto-calendar (set at 28 days for February) Regular timekeeping: Hour, minute, second, am/pm, year, month, date, day Accuracy: ±30 seconds per month Approx. battery life: 7 years on CR2016 Total weight : 21g Water Resistant Measuring capacity: 59'59.99'' Measuring modes: Elapsed time, split time, 1st-2nd place times Hourly time signal 12/24-hour format Module: 593 Size of case : 38.2 × 35.2 × 8.5mm