Embrace your inner tech enthusiast with this sleek unisex timepiece from the Casio Vintage collection. The A100 series pays homage to the iconic F-100, the original Casio watch featuring a resin case. While preserving the classic layout with four front buttons, we've infused modern flair by incorporating metallic elements, maintaining the vintage aesthetic with a fresh twist.Combining retro charm with contemporary features, these watches offer a stopwatch, calendar, and water resistance for everyday wear, along with an LED light for effortless readability in any environment. Easily customize the band length with the slide clasp for optimal comfort and fit.- 40.7 × 32.7 × 9.2mm Case Size- 53g Weight- Resin/Black chrome plated Case and Bezel- Stainless Steel Band- Water Resistant- Approx. battery life: 3 years on CR1616- Resin Glass- Stopwatch- Alarm/hourly time signal: Daily alarm- Calendar: Auto-calendar (28 days for February)- Accuracy: ±30 seconds per month- Regular timekeeping: Hour, minute, second, pm, month, date, day