CASIO G-SHOCK GMS2100B8AER Women's Analog-Digital Watch, 40.4mm, Gray Resin Band

Introducing the CASIO G-SHOCK GMS2100B8AER, a sophisticated women's timepiece that combines iconic G-SHOCK toughness with a sleek, compact design. This analog-digital watch features a 40.4mm case crafted from resin and stainless steel, with a gray ion-plated bezel and a matching gray resin band. Designed for active lifestyles, it offers 200-meter water resistance, shock resistance, and a host of practical functions including world time, stopwatch, countdown timer, and dual LED illumination. The gray and black dial provides excellent readability, making it a versatile accessory for both everyday wear and outdoor adventures.

Advantages

The GMS2100B8AER delivers the legendary durability of G-SHOCK in a smaller, more elegant form factor tailored for women. Its shock-resistant construction and 20 ATM water resistance ensure reliability in demanding conditions, while the analog-digital display offers the best of both worlds: classic watch aesthetics and modern digital functionality. The double LED Super Illuminator lights up the dial and digital display for easy reading in low light. With a battery life of approximately 3 years, this watch is built to last.

Suitable for

• Women seeking a rugged yet stylish watch for daily wear, sports, or travel
• Outdoor enthusiasts who need a reliable timepiece with world time and alarms
• Fans of G-SHOCK who prefer a smaller case size (40.4mm)
• Anyone requiring a watch with high water resistance (200m) for swimming or snorkeling

Key specifications

• Movement: Quartz (Analog-Digital)
• Case Material: Resin / Stainless Steel
• Bezel Material: Stainless Steel (Gray Ion-Plated)
• Band Material: Resin (Gray)
• Glass: Mineral Glass
• Water Resistance: 200 meters (20 ATM)
• Shock Resistance: Yes
• Case Dimensions: 45.9 × 40.4 × 11.0 mm
• Weight: 55 g
• Battery Life: Approx. 3 years (SR726W × 2)
• World Time: 31 time zones (48 cities + UTC)
• Stopwatch: 1/100-second, up to 24 hours
• Countdown Timer: 1 second to 24 hours
• Alarms: 5 daily alarms, hourly time signal
• Light: Double LED (Super Illuminator)
• Calendar: Full auto-calendar (to year 2099)
• Accuracy: ±15 seconds per month
• Dial Color: Gray/Black
• Band Color: Gray

Recommendations

For optimal performance, avoid pressing buttons underwater. The watch is suitable for recreational scuba diving but not for saturation diving. Replace batteries at an authorized service center. Pair with CASIO's G-SHOCK app for easy time setting and world time updates (if supported).