Casio is an electronics manufacturing company that was founded in 1946 by Tadao Kashio. The brand has a versatile portfolio, from musical instruments and digital cameras to analogue and digital watches. The company rose to popularity quickly after releasing its first-ever product, a cigarette holder, which proved to be a huge success. Casio became involved in electronics in 1954 when they released Japan's first electro-mechanical calculator. During the “Quartz Revolution” in the 1970s, Casio expanded and became one of the first brands to create quartz watches which solidified the brand as an innovator in horological society. The brand’s timepieces are affordable and long-wearing, making them a favourite to both enthusiasts and everyday people. With the large variety of wristwatches and their commitment to progress, it is no surprise Casio has remained amongst the giants in the industry. Core Features of the Casio Vintage Core Collection: The displays on Casio Vintage watches are digital. Each watch pays homage to original Casio models through a retro-inspired case. Model Specifications: F-91WM-3AEF The green case of the watch is made of resin. The octagonal case is retro-inspired A black resin strap secures the watch. The display on the watch is digital. An acrylic crystal encases the dial. Amongst the many functions featured on the watch are alarms, a day and date, a stopwatch and an LED backlight.