Citizen Eco-Drive Weekender Garrison vs Casio G-Shock GA-B2100 CasiOak
Citizen's field watch meets Casio's diver
Quick Verdict
The Citizen Eco-Drive Weekender Garrison (~$135) offers Eco-Drive Solar Quartz (No Battery Change) precision at $9 less than the Casio G-Shock GA-B2100 CasiOak (~$144). The G-Shock GA-B2100 CasiOak counters with Made in Japan craftsmanship and 200m (20 ATM) water resistance. Both are exceptional watches for their respective price points.
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Specifications Compared
| Feature | Citizen Eco-Drive Weekender Garrison | Casio G-Shock GA-B2100 CasiOak |
|---|---|---|
| Price | ~$135 | ~$144 |
| Case Size | 37mm | 44.4mm |
| Movement | Eco-Drive Caliber E101 | Quartz Module 5611 (Tough Solar + Bluetooth) |
| Caliber Type | Eco-Drive Solar Quartz (No Battery Change) | Casio Quartz (Solar-Powered) |
| Power Reserve | 6 Months (Solar, Full Charge) | — |
| Water Resistance | 100m (10 ATM) | 200m (20 ATM) |
| Crystal | Mineral Glass | Mineral Glass |
| Case Material | Stainless Steel | Carbon Core Guard Resin |
| Origin | Citizen (Japan) | Made in Japan |
Category-by-Category Analysis
Design & Aesthetics
Citizen's design language vs Casio's approach
Movement & Performance
Eco-Drive Caliber E101 vs Quartz Module 5611 (Tough Solar + Bluetooth)
Wearability & Fit
37mm vs 44.4mm — different wrist presence
Value & Cost of Ownership
Citizen is $9 more affordable
Water Resistance
100m (10 ATM) vs 200m (20 ATM)
Our Verdict
Citizen
Eco-Drive Weekender Garrison
Choose the Citizen Eco-Drive Weekender Garrison if you prioritize Eco-Drive Solar Quartz (No Battery Change) engineering, Citizen (Japan) craftsmanship, and 100m (10 ATM) water resistance. At ~$135, it delivers Eco-Drive Caliber E101 with 6 Months (Solar, Full Charge) power reserve.
Check Price on AmazonCasio
G-Shock GA-B2100 CasiOak
Choose the Casio G-Shock GA-B2100 CasiOak if you value Casio Quartz (Solar-Powered) technology, Made in Japan heritage, and 44.4mm proportions. At ~$144, the Quartz Module 5611 (Tough Solar + Bluetooth) with ample power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Citizen Eco-Drive Weekender Garrison and Casio G-Shock GA-B2100 CasiOak represent two distinct approaches to fine watchmaking — the Citizen bringing Citizen (Japan) tradition while Casio delivers Made in Japan engineering.
Frequently Asked Questions
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