The Casio watch in the movie "The Yellow Sea"

The Casio F91W captures the essence of 1980s digital watch design with its iconic rectangular case, straightforward digital display, and practical features. This watch exemplifies an era when digital timepieces were a technological breakthrough. Casio has successfully retained its vintage charm while adding modern functionality, making it a timeless accessory cherished by both retro enthusiasts and modern users.

Pictured here is the classic F91W worn by the character Gu-nam, played by Ha Jung-woo, in the movie The Yellow Sea.

Image courtesy of Sony Pictures Entertainment

The Casio F91W: A Brief History

The Casio F91W, a staple in Casio’s extensive line of digital watches, has become an iconic timepiece since its introduction in 1989. Celebrated for its simplicity, reliability, and affordability, the F91W has garnered a dedicated following worldwide. Its design is quintessentially 1980s, with a slim rectangular case, straightforward digital display, and minimalist features, evoking a sense of nostalgia while offering modern practicality.

The F91W’s enduring appeal lies in its timeless design and robust functionality. Its features include a daily alarm, a 1/100-second stopwatch, an hourly time signal, and an automatic calendar, all powered by a long-lasting battery that can last up to seven years. The watch is also water-resistant, adding to its durability for everyday use.

Casio F91W Specs

The Casio F91W is known for its simplicity and practicality. Here are its key specifications:

Case and Band Material:	The watch features a durable resin case and a resin band, providing both comfort and durability.
Digital Display:	The digital display shows the time in 12 or 24-hour format, along with the day and date.
Alarm:	A daily alarm function helps you stay on schedule.
Stopwatch:	A 1/100-second stopwatch with a capacity of up to 59 minutes and 59.99 seconds, ideal for timing various activities.
Calendar:	An automatic calendar that accounts for the date.
LED Light:	A micro light illuminates the display for easy reading in low light conditions.
Water Resistance:	The watch is water-resistant, making it suitable for everyday use, though it is not designed for swimming or diving.
Battery Life:	Powered by a CR2016 battery, the Casio F91W offers an impressive battery life of approximately 7 years.
Dimensions and Weight:	The case measures 37.5 mm x 33.5 mm x 8.5 mm, and the watch weighs approximately 21 grams, ensuring a comfortable fit on the wrist.