G-Shock GMA-S2100GA-1AER - Black - One Size - Men
The Casio GM-2100-1A G-Shock Metal Covered wristwatch combines a stainless steel case with a durable black plastic strap, offering a resilient men's watch. It features an analog-digital display with a gray dial, luminous hands and indices for better visibility in low light conditions, as well as a mineral glass for scratch resistance. Key functions include world time, a 1/100-second stopwatch, countdown timer, fully automatic calendar with day and date display, hourly time signal, and dual LED lighting. With a water resistance of 200 meters, it is suitable for swimming and snorkeling. The case measures approximately 44 mm in diameter and 12 mm in thickness, with a band width of 16 mm, and features a screw-down case back and a pin buckle for secure comfort. This model emphasizes reliability and practicality under demanding conditions.
The Casio GM-2100-1A G-Shock Metal Covered wristwatch combines a stainless steel case with a durable black plastic strap, offering a resilient men's watch. It features an analog-digital display with a gray dial, luminous hands and indices for better visibility in low light conditions, as well as a mineral glass for scratch resistance. Key functions include world time, a 1/100-second stopwatch, countdown timer, fully automatic calendar with day and date display, hourly time signal, and dual LED lighting. With a water resistance of 200 meters, it is suitable for swimming and snorkeling. The case measures approximately 44 mm in diameter and 12 mm in thickness, with a band width of 16 mm, and features a screw-down case back and a pin buckle for secure comfort. This model emphasizes reliability and practicality under demanding conditions.
The Casio GM-2100-1A G-Shock Metal Covered wristwatch combines a stainless steel case with a durable black plastic strap, offering a resilient men's watch. It features an analog-digital display with a gray dial, luminous hands and indices for better visibility in low light conditions, as well as a mineral glass for scratch resistance. Key functions include world time, a 1/100-second stopwatch, countdown timer, fully automatic calendar with day and date display, hourly time signal, and dual LED lighting. With a water resistance of 200 meters, it is suitable for swimming and snorkeling. The case measures approximately 44 mm in diameter and 12 mm in thickness, with a band width of 16 mm, and features a screw-down case back and a pin buckle for secure comfort. This model emphasizes reliability and practicality under demanding conditions.
The Casio GM-2100-1A G-Shock Metal Covered wristwatch combines a stainless steel case with a durable black plastic strap, offering a resilient men's watch. It features an analog-digital display with a gray dial, luminous hands and indices for better visibility in low light conditions, as well as a mineral glass for scratch resistance. Key functions include world time, a 1/100-second stopwatch, countdown timer, fully automatic calendar with day and date display, hourly time signal, and dual LED lighting. With a water resistance of 200 meters, it is suitable for swimming and snorkeling. The case measures approximately 44 mm in diameter and 12 mm in thickness, with a band width of 16 mm, and features a screw-down case back and a pin buckle for secure comfort. This model emphasizes reliability and practicality under demanding conditions.
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The lowest price for G-Shock GMA-S2100GA-1AER - Black - One Size - Men right now is $99.90 at jewelervandam.com, compared across 20 retailers.
The all-time low was $99.90 on 5 Jan 2026. That's the lowest price we've ever tracked — a great time to buy.
Prices last updated 15 Sept 2026.
Last updated at 15/09/2026 23:04:58
Casio G-Shock GMAS2100GA-7A S-Series Digital-Analogue Off White Strap Unisex Watch, Off White Dial, 46.2 × 42.9 × 11.2 mm Size
Free delivery
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Casio G-Shock GMA-S2100GA-3AER
Delivery between 19–23 Sept $50
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Casio G-Shock GMA-S2100GA-1AER Blue 42mm 2023
Delivery $579
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Delivery $44
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Delivery $66
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| Time Indication | Analogue - Digital |
| Mechanism | Quartz |
| Case Material | Resin + Carbon |
| Colour Sphere | Black |
| Material of Strap | Resin |
Casio G-Shock GMAS2100GA-7A S-Series Digital-Analogue Off White Strap Unisex Watch, Off White Dial, 46.2 × 42.9 × 11.2 mm Size
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Casio G-Shock GMA-S2100GA-3AER
Delivery between 19–23 Sept $50
Casio G-Shock GMA-S2100MD-7AER
Delivery between 19–23 Sept $50
Casio G-Shock GMA-S2100GA-1AER Blue 42mm 2023
Delivery $579
Casio G-Shock GMA-S2100GA-1AJF Plastic Green 43mm 2023
Delivery $44
| Time Indication | Analogue - Digital |
| Mechanism | Quartz |
| Case Material | Resin + Carbon |
| Colour Sphere | Black |
| Material of Strap | Resin |
