Casio F-91W digital watch

The Casio F-91W is a digital wristwatch introduced in June 1989 by Casio Computer Co., Ltd., a Japanese multinational electronics company. Renowned for its low price, long battery life, and iconic design, the F-91W has become one of the most popular and recognizable watches worldwide. Its features include a chronograph, hourly time beep, daily alarm, and an annual calendar. The watch is powered by a single CR2016 3-volt lithium button cell, offering a battery life of approximately 7 years. The F-91W is water-resistant up to 30 meters, suitable for everyday use but not for swimming or diving. Over the years, it has been produced in multiple countries, including Japan and China, to meet global demand. Casio Computer Co., Ltd. continues to manufacture and distribute the F-91W, maintaining its status as a classic timepiece in the digital watch market.