Casio G-Shock Classic Watch GA-900SKE-8AER

Introducing the Casio G-Shock GA-900SKE-8AER, a fascinating skeleton interpretation that reveals the internal secrets of legendary G-Shock resistance. Its translucent grey resin case allows you to contemplate the Carbon Core Guard structure, creating a mesmerizing visual effect where each internal component becomes part of the design. The multi-layered dial combines transparent elements with dark grey details, while circular subdials at 9 and 3 o'clock provide functionality and visual balance. White luminous hands contrast perfectly against this translucent canvas, and the textured strap completes an ensemble that fuses engineering with aesthetics.

At its heart beats the Casio module 5637, an analog-digital caliber managing multiple functions from its specialized subdials. The left subdial acts as a stopwatch with 1/100 second precision, while the right displays date and day of the week. The compact digital display offers world time with 31 time zones, five independent daily alarms, stopwatch up to 24 hours, countdown timer up to 24 hours, and automatic calendar programmed until 2099. The Full Auto EL LED light function illuminates the entire dial during nighttime reading.

The G-Shock series was born in 1983 from engineer Kikuo Ibe's dream of creating a watch that would never break. After more than 200 prototypes and drop tests from 10 meters height, a legend was born that has withstood the planet's most extreme conditions. This skeleton version represents the evolution of four decades of innovation, where transparency doesn't compromise resistance but celebrates it.

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Technical Specifications

Reference: GA-900SKE-8AER
Module/Caliber: 5637
Type: Analog-digital
Movement: Quartz
Water resistance: 200 meters
Shock resistance: Yes, Carbon Core Guard structure
Case material: Resin
Case color: Translucent grey
Strap material: Resin
Strap color: Translucent grey textured
Dial color: Translucent multi-layer with grey details
Crystal: Mineral
Light: Full Auto EL LED
Diameter: 49.5 mm
Thickness: 16.9 mm
Weight: 65 grams
Functions: World time (31 zones), stopwatch 1/100 sec, timer, 5 alarms, auto calendar, auto light
Battery: CR2016
Made for: Men

User manual

Download the manual in English (PDF)