Casio has introduced three new G-Shock GA-2100K with a translucent case: pre-orders started

Casio has announced three new models of the GA-2100K watch series, inspired by nighttime lighting and the atmosphere of music festivals. The new items are already available for pre-order in Japan at a price of ¥19,800 (approximately $126 including taxes). The release is scheduled for January 2026.

What is known

The series includes models GA-2100K-1AJF, GA-2100K-2AJF, and GA-2100K-5AJF. All three are equipped with a matte translucent resin case and built on the Carbon Core Guard design. The case dimensions are 48.5 × 45.4 × 11.8 mm, weight is 51 g. The declared water resistance level is up to 20 bar.

Visually, the models differ in color:

• GA-2100K-1AJF: smoke gray case with green accents
• GA-2100K-2AJF: blue translucent case with orange details
• GA-2100K-5AJF: dark brown option with red elements

The dial is executed in dark tones with neon hands and indices. The material of the hands is Neo-brite, which glows in the dark. The glass is mineral. The Carbon Core Guard inscription is located on the back cover.

All models support:

• world time (48 cities, 31 time zones)
• stopwatch with split measurement mode
• countdown timer
• five daily alarms
• fully automatic calendar
• dual LED backlight with adjustable duration

Estimated battery life is up to three years. The new GA-2100K are already available for pre-order on the Japanese Casio website.

Source: Casio