Indulge your inner gadget geek with this stylish non-gendered timepiece straight from the Casio Vintage collection. The A100 line pays homage to the F‐100, the first Casio watch built with a resin case. We’ve kept the iconic layout with four front buttons but introduced metallic components, still vintage-style, for an updated take on a true classic. Retro in style but packed with contemporary functionality, these timepieces boast a stopwatch, calendar, and water resistance for daily use, and of course an LED light for an easy read in any lighting. Use the slide clasp to easily adjust the band length for the perfect fit. Details Case Size:  40.7 × 32.7 × 9.2 mm Weight: 53g Case and Bezel Material: Resin / Chrome Plated Band: Stainless Steel Band, Adjustable Clamp Water Resistance: Water Resistant Power Supply and Battery Life: Approx. battery life: 3 years on CR1616 Exterior Glass: Resin Glass Watch Features Stopwatch: 1/100-second stopwatch, Measuring capacity: 59'59.99, Measuring Modes: Elapsed time, split time, 1st-2nd place times Alarm / Hourly Time Signal: Daily alarm, Hourly time signal Light: LED backlight (Super Illuminator) Light Colour: LED: White Calendar: Auto-calendar (28 days for February) Accuracy: +-30 Seconds per month Other Features: 12/24-hour format, Regular timekeeping: Hour, Minute, Second, PM, Date, Day