Plunge into cool-blue waters under the sun with the hallmark toughness of an oasis-inspired G-SHOCK. The slim, octagonal GA2100 has a base color of navy blue, with touches of blue-green accenting the dial. A great casual accessory for your marine sports style or street fashion. The watch features a case size of 48.5 x 45.4 x 11.8 mm, a weight of 51g, and a carbon and bio-based resin construction. It's also shock resistant and has a 200-meter water resistance. The power supply is provided by two SR726W batteries, which last for approximately 3 years.
Plunge into cool-blue waters under the sun with the hallmark toughness of an oasis-inspired G-SHOCK. The slim, octagonal GA2100 has a base color of navy blue, with touches of blue-green accenting the dial. A great casual accessory for your marine sports style or street fashion. The watch features a case size of 48.5 x 45.4 x 11.8 mm, a weight of 51g, and a carbon and bio-based resin construction. It's also shock resistant and has a 200-meter water resistance. The power supply is provided by two SR726W batteries, which last for approximately 3 years.
in 2 offers
The lowest price for CASIO G-SHOCK Men's Watch Bleu right now is $189.00 at Bevilles, compared across 2 retailers.
The all-time low was $129.92 on 4 July 2026 — today's price is 45% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 5 Nov 2026.
CASIO G-SHOCK Men's Watch Bleu
Plunge into cool-blue waters under the sun with the hallmark toughness of an oasis-inspired G-SHOCK. The slim, octagonal GA2100 has a base color of navy blue, with touches of blue-green accenting the dial. A great casual accessory for your marine sports style or street fashion. The watch features a case size of 48.5 x 45.4 x 11.8 mm, a weight of 51g, and a carbon and bio-based resin construction. It's also shock resistant and has a 200-meter water resistance. The power supply is provided by two SR726W batteries, which last for approximately 3 years.
Plunge into cool-blue waters under the sun with the hallmark toughness of an oasis-inspired G-SHOCK. The slim, octagonal GA2100 has a base color of navy blue, with touches of blue-green accenting the dial. A great casual accessory for your marine sports style or street fashion. The watch features a case size of 48.5 x 45.4 x 11.8 mm, a weight of 51g, and a carbon and bio-based resin construction. It's also shock resistant and has a 200-meter water resistance. The power supply is provided by two SR726W batteries, which last for approximately 3 years.
Last updated at 05/11/2026 20:20:23
Casio G-Shock Analog-Digital Blue Watch GA2100AS-2A
G-Shock Oasis Collection Navy Blue Octagonal Watch GA2100AS-2A, Blue
| GPS | No |
| Heart Rate Monitoring | No |
| Sleep Monitoring | No |
| Step Counting | No |
| Bluetooth | Yes |
Casio G-Shock Analog-Digital Blue Watch GA2100AS-2A
G-Shock Oasis Collection Navy Blue Octagonal Watch GA2100AS-2A, Blue
| GPS | No |
| Heart Rate Monitoring | No |
| Sleep Monitoring | No |
| Step Counting | No |
| Bluetooth | Yes |
