ساعة آلة حسابة من كاسيو CA-53WB-8B

Basic information

Frame size (length x width x height)

43.2 × 34.4 × 8.2 mm

the weight

25 g

Frame and body material

resin

belt

Bioresin bracelet

Water resistance

Water resistance

Power source and battery life

Approximate battery life: 5 years on CR2016

exoskeleton

glass

resin glass

Compatible belt size

125 to 180 mm

Watch features

UTC

Dual time

stopwatch

1/100-second stopwatch Measuring capacity: 23:59'59.99'' Measuring modes: Elapsed time, split time, 1st and 2nd place times

Alarm/Clock Time Signal

Daily alarm

Hourly time signal

calendar

Fully automatic calendar (to year 2099)

Mute feature

Turn on/off button operation tone

accuracy

Accuracy: ±15 seconds per month

The Casio Mini, the World's First Personal Calculator . In 1972, Casio introduced the world's first personal calculator. Featuring single-chip large-area integrated (LSI) circuits, a six-digit display, and simple components, it was a quarter the size of mainstream models at the time and, at 12,800 yen, cost only a third of the price of competing products. The Casio Mini was a huge success, selling one million units within 10 months of its introduction, and total sales reached six million over the series' lifetime. With the Casio Mini, the calculator went beyond being just office equipment to becoming a part of everyday life as a personal household item. In 2008, the Casio Mini was named a Key Historical Material of Science and Technology (or Heritage of Future Technology) by the National Museum of Nature and Science in Tokyo.