G‑SHOCK™ GA-100-1A1DR-B

The Casio G-SHOCK GA-100-1A1DR-B is a rugged analog-digital watch featuring an all-black stealth design that combines bold styling with legendary durability. Built with G-SHOCK's shock-resistant construction, it features a black resin case and band, an oversized multi-layered dial with black ion-plated hands and indexes, and 200-meter water resistance. Equipped with magnetic resistance, Super Illuminator LED lighting, and advanced timekeeping functions, it is ideal for sports, work, travel, and everyday wear. Official specifications are based on Casio's official product documentation.

Key Features

• Shock Resistant
• Magnetic Resistant
• 200-meter water resistance (20 Bar)
• Analog and digital display
• Stealth all-black design
• Oversized multi-layered dial
• Super Illuminator LED light
• World Time
• 1/1000-second stopwatch
• Countdown timer
• 5 daily alarms
• Full auto-calendar
• Auto LED light
• 12/24-hour time formats

Timekeeping

Displays:

• Hour
• Minute
• Second
• Day
• Date
• Analog and digital time display
• World Time (29 time zones, 48 cities + UTC)
• 12/24-hour time formats
• Full auto-calendar (to 2099)
• Accuracy: ±15 seconds per month

Design & Materials

• Black resin case
• Black resin bezel
• Black resin band
• Buckle closure
• Mineral glass
• Shock-resistant construction
• Magnetic Resistant (ISO 764 compliant)
• Oversized multi-layered dial
• Comfortable lightweight resin construction

Colors

• Case: Black
• Bezel: Black
• Band: Black Resin
• Dial: Matte Black
• Hour Markers: Black
• Hands: Black with luminous coating

Note: The GA-100-1A1DR-B is one of G-SHOCK's most iconic stealth models, featuring a monochrome black finish throughout while maintaining the toughness, functionality, and oversized styling that define the GA-100 series.

Power

• Battery Type: CR1220
• Approximate Battery Life: 2 Years

Water Resistance

200 meters (20 Bar)

Suitable for:

• Daily hand washing
• Showering
• Swimming
• Snorkeling
• Recreational scuba diving

What's Included

• Casio G-SHOCK GA-100-1A1DR-B Watch
• Original Casio Box
• Instruction Manual
• Warranty Card (provided by the authorized distributor)