Introducing the G-Shock GMAP2100BB-1A Black Out series, where the uniform matte finish enhances the distinctive silhouette of each all-black model. These include the GMD-S5600, a compact iteration of the classic square G-SHOCK, and the popular GMA-P2100 analogue-digital hybrid. Their robust designs not only serve practical functions but also elevate them as stylish accessories. Crafted with bezels and bands made from bio-based resin, these watches utilize renewable organic materials, aiming to minimize environmental impact. Powered by Module No. 3523, these timepieces feature a compact 45.7 x 40.5 x 11.9mm case weighing just 42g. They are shock-resistant and equipped with a Super Illuminator LED backlight for enhanced visibility in low light. The flash alert combines visual and audible cues for alarms, hourly signals, and countdown timer alerts. Functionality includes a stopwatch, countdown timer, multi-function alarm, hourly time signal, and a full auto-calendar up to the year 2099. They support both 12/24-hour formats and provide accurate timekeeping with ±15 seconds per month precision. Operating on a CR1616 battery, they offer approximately 3 years of battery life. In essence, the G-Shock GMAP2100BB-1A Black Out series merges rugged durability with eco-conscious materials and versatile functionality, ideal for both everyday wear and fashion-forward statements. - Module No. 3523 - 45.7 x 40.5 x 11.9mm Case Size - 42g Weight - Shock resistant (G-SHOCK) - LED backlight (Super Illuminator): Afterglow - Flash alert: Flashes with buzzer that sounds for alarms, hourly time signal, countdown timer time up alarm - Stopwatch - Countdown Timer - Multi-function alarm - Hourly time signal - Full auto-calendar (to year 2099) - 12/24-hour format - Regular timekeeping: Hour, minute, second, pm, month, date, day - Accuracy: ±15 seconds per month - Approx. battery life: 3 years on CR1616