Casio G-Shock GMA-P2100SA-1A2ER Sporty Accent

Casio G-SHOCK GMA-P2100SA-1A2ER – Compact, sporty and bold

Design inspired by active style

The Casio GMA-P2100SA-1A2ER is a compact G-SHOCK model that blends modern aesthetics with athletic energy. Its octagonal black case is accented with neon yellow details, reminiscent of high-performance sportswear – a perfect match for an active lifestyle and expressive everyday wear.

Lightweight, slim and eco-friendly

Weighing only 40 grams and measuring just 11.2 mm in thickness, this watch is comfortable to wear all day. The case and strap are made of bio-based resin, derived from renewable resources to reduce environmental impact.

• Shock-resistant Carbon Core Guard structure
• Water resistance up to 200 meters
• Scratch-resistant mineral glass
• Neobrite coating for enhanced visibility in the dark

Compact in size, rich in features

Despite its small size, the GMA-P2100SA-1A2ER offers a wide range of functions:

• World time: 31 time zones (48 cities + UTC)
• 1/100-second stopwatch with split, total and lap timing
• 24-hour countdown timer, adjustable in 1-second, 1-minute or 1-hour increments
• 5 daily alarms + hourly signal
• Dual Super Illuminator LEDs for both analog and digital displays
• Full auto-calendar (up to the year 2099)
• 12/24-hour format, hand shift function, accuracy ±15 seconds/month
• Mute function for silent operation

Technical specifications

• Case size: 46 × 40.2 × 11.2 mm
• Weight: 40 g
• Band length: 145–190 mm
• Battery life: approx. 3 years (CR1025)
• Display: Analog and digital