The G-SHOCK GA-100-1A1 delivers a bold blackout design paired with the toughness and functionality the GA series is known for. Its combination analog-digital layout features a powerful millisecond stopwatch and speed measurement capabilities for high-precision timing. JIS Class-1 magnetic resistance protects the movement from interference, while the lightweight aluminum hands and four large digital displays create a dynamic, high-visibility face layout. With shock resistance, 200-meter water protection, and a rugged case shape built for impact, this model is engineered for reliability in demanding environments. The all-black finish and oversized silhouette make it a standout choice for everyday wear, training, outdoor activity, and professional use.
Features a bold blackout analog digital display with four oversized LCD windows and lightweight aluminum hands designed for clarity and shock absorption
Equipped with a millisecond stopwatch and speed measurement modes providing precise timing for training travel and high-performance activities
Offers JIS Class-1 magnetic resistance to maintain accuracy and stability even when exposed to magnetic fields in work or daily environments
Built with a durable shock-resistant structure and a rugged case design paired with a comfortable resin band for dependable all-day wear
Provides 200-meter water resistance delivering strong performance for swimming weather conditions and demanding outdoor use
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