Apart of the Casio Vintage range, this timepiece CA500WE-4B pays tribute to the CQ-1 which was a calculator with a clock function released in 1976. The design of the watch from the colour black and red scheme, dial, face design featuring a full keypad captures the look in a compact manner from the colours and design to the tee with a touch of nostalgia. - 43.2 34.4 8.2mm Case Size - 53g Weight- Resin/Chrome Plated Case and Bezel Material- Stainless Steel Band- Adjustable Clasp- Water Resistant- Approx. battery life: 5 years on CR2016- Resin Glass- World time- Dual time- Stopwatch- Daily alarm- Calendar: Full auto-calendar (to year 2099)- Mute feature: Button operation tone on/off- Accuracy: 30 seconds per month- 8-digit Calculator- 12/24-hour format- Regular timekeeping: Hour, minute, second, am/pm, year, month, date, day