Full-metal construction adds gleam for a stylish design

Creating a ring-sized, full-metal version of the Casio watch’s complex form required the use of metal injection molding (MIM), a method of metal processing in which a mixture of fine metal powders and resin is injected into molds. The case, case back, and ring are molded in one piece, with even the dimpled design on the band faithfully reproduced. A glass adhesive technique ensures a tight seal. The watch is built to be water-resistant while still allowing the battery to be replaced. The ring has an inner diameter of 20 mm and a circumference of 62.8 mm, fitting a size 22 finger (US 10.5, EU U). Two size-adjusting spacers in size 19 (19-mm inner diameter) and 16 (18-mm inner diameter) are included.

Miniature module making it all possible

The standard watch module is downsized by a factor of 10 using optimized, high-density mounting and a smaller battery to create a 3-button digital watch that fits on your finger. The 6-digit LCD displays not only the time down to the second, but also features calendar, dual time, and stopwatch functionality.

Pulsing light speaks to the twinkling of time

At any preset time of your choice, the ring watch will give off a subtle, pulsing glow, an emotional nod to the fleeting twinkle of time.

World innovator Casio began with the yubiwa pipe

Creative and innovative Casio continues adding to its long list of “world-firsts.” It all began with the yubiwa (finger ring) pipe, developed at Kashio Seisakujo, the predecessor of Casio Computer Co., Ltd. That revolutionary ring hit the market in 1946, right after World War II, and was a big hit. The profits would later go toward the capital needed for development of a new kind of calculator. The same ring styling of the new Casio ring watch is a nod to this very first product using original ideas and technologies to create new value.

• Time flash (daily and every hour on the hour).

The Time Flash light may not be visible when ambient lighting is bright.

Time Flash is intended for entertainment purposes.

• LED backlight (May not be visible in bright light.)

We celebrate Casio Watch’s 50th anniversary by bringing back the very first ring watch. A whole new style of digital watch — both practical and playful — thanks to a miniature module and advanced metalworking technology.

Creating a ring-sized, full-metal version of the Casio watch’s complex form is no easy feat. To make this possible, we needed to use a special method of metal processing to inject a mixture of fine metal powders and resin into a mold. Using metal injection molding (MIM), the case, case back, and ring are molded in one piece, with even the dimpled design on the band faithfully reproduced. A special glass adhesive technique ensures a tight seal for a watch built to be water-resistant while still allowing the battery to be replaced.

With an inner diameter of 20 mm and a circumference of 62.8 mm, the ring fits a size 22 finger (US 10.5, EU U) and includes two size-adjusting spacers, in size 19 (19-mm inner diameter) and 16 (18-mm inner diameter).

We downsized the standard watch module by a factor of 10 and combined it with a small button battery to create a 3-button digital watch that fits on your finger. Even at this small size, the watch features a 7-segment LCD that displays not only the time down to the second, but also the date, dual time, and stopwatch functionality.

Preset the time of your choice, and the ring watch gives off a subtle, flashing light — not only handy for keeping time, but also a poetic nod to the fleeting twinkle of time.