Casio Analog-Digital Black Dial Men's Watch - GST-S300GL-1ADR

Design and "Tough Leather"

• Hybrid Strap: The "Tough Leather" band consists of synthetic leather stitched around a resin core. This design is specifically engineered to be more water and abrasion-resistant than traditional leather while maintaining an elegant aesthetic.
• Layer Guard Structure: It utilizes a double-layer bezel construction (resin and stainless steel) to provide superior impact resistance in a more compact, "down-sized" module that is approximately 90% the size of previous G-STEEL models.
• Premium Finish: Features a silver-tone stainless steel case with a black ion-plated resin bezel and a multi-dimensional dial for a high-end, three-dimensional look. 

Core Technology and Power

• Tough Solar: Powered by any light source, this watch eliminates the need for battery changes. It can operate for approximately 8 months on a full charge with normal use, or up to 19 months in power-saving mode.
• Full Auto Double LED: Includes high-brightness "Super Illuminator" lights for both the analog face and the digital displays. The "Full Auto" feature allows the lights to activate automatically when you tilt your wrist in dark environments.
• Hand Shift Feature: With the push of a button, the analog hands temporarily move away from the digital windows to provide an unobstructed view of the data displays. 

Rugged Performance

• Water Resistance: Rated for 20 bar (200 meters), making it suitable for professional marine activity and high-impact water sports (though not scuba diving).
• Shock Resistance: Engineered to withstand heavy impacts and vibrations, meeting the standard G-Shock "Triple 10" criteria.
• World Time: Supports 31 time zones across 48 global cities, with home city/world time swapping functionality.

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