Casio Vintage A168WA vs Casio G-Shock GA-B2100 CasiOak
Casio's chronograph meets Casio's diver
Quick Verdict
The Casio Vintage A168WA (Under $50) offers Casio Quartz (Battery) precision in the tier below the Casio G-Shock GA-B2100 CasiOak ($100–$150). The Vintage A168WA measures 36.3mm and is rated 30m (3 ATM). 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 tiers.
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Specifications Compared
| Feature | Casio Vintage A168WA | Casio G-Shock GA-B2100 CasiOak |
|---|---|---|
| Price | Under $50 | $100–$150 |
| Case Size | 36.3mm | 45.4mm (48.5mm lug-to-lug, 11.9mm thick) |
| Movement | Quartz Module 3298 | Quartz Module 5689 (Tough Solar + Bluetooth) |
| Caliber Type | Casio Quartz (Battery) | Casio Quartz (Solar-Powered) |
| Power Reserve | — | About 7 months on a full charge without light; about 18 months in power-saving (Casio) |
| Water Resistance | 30m (3 ATM) | 200m (20 ATM) |
| Crystal | Mineral Glass | Mineral Glass |
| Case Material | Stainless Steel & Resin | Carbon Core Guard Resin |
| Origin | Made in Japan | Made in Japan |
Category-by-Category Analysis
Design & Aesthetics
Casio's design language vs Casio's approach
The Casio Vintage A168WA features a Stainless Steel & Resin case at 36.3mm with Mineral Glass protection. The Casio G-Shock GA-B2100 CasiOak offers Carbon Core Guard Resin construction at 45.4mm (48.5mm lug-to-lug, 11.9mm thick) with Mineral Glass. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Quartz Module 3298 vs Quartz Module 5689 (Tough Solar + Bluetooth)
The Vintage A168WA runs the Quartz Module 3298 (Casio Quartz (Battery), standard power reserve) at standard frequency. The G-Shock GA-B2100 CasiOak uses the Quartz Module 5689 (Tough Solar + Bluetooth) (Casio Quartz (Solar-Powered), About 7 months on a full charge without light; about 18 months in power-saving (Casio) reserve) at standard. The G-Shock GA-B2100 CasiOak offers a longer power reserve.
Wearability & Fit
36.3mm vs 45.4mm (48.5mm lug-to-lug, 11.9mm thick) — different wrist presence
At 36.3mm, the Vintage A168WA wears more compactly on smaller wrists compared to the G-Shock GA-B2100 CasiOak at 45.4mm (48.5mm lug-to-lug, 11.9mm thick). Water resistance differs: 30m (3 ATM) vs 200m (20 ATM).
Value & Cost of Ownership
Casio sits in the lower tier
The Casio Vintage A168WA sits at Under $50 and the Casio G-Shock GA-B2100 CasiOak at $100–$150. On the specs that outlast any price: the Vintage A168WA uses Mineral Glass with a standard reserve, against Mineral Glass and About 7 months on a full charge without light; about 18 months in power-saving (Casio) on the G-Shock GA-B2100 CasiOak. Service intervals are typically 5-7 years for both.
Water Resistance
30m (3 ATM) vs 200m (20 ATM)
The Vintage A168WA is rated to 30m (3 ATM) while the G-Shock GA-B2100 CasiOak handles 200m (20 ATM). The G-Shock GA-B2100 CasiOak offers superior water resistance.
Our Verdict
Casio
Vintage A168WA
Choose the Casio Vintage A168WA if you prioritize Casio Quartz (Battery) engineering, Made in Japan craftsmanship, and 30m (3 ATM) water resistance. At Under $50, it delivers Quartz Module 3298 with solid 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 45.4mm (48.5mm lug-to-lug, 11.9mm thick) proportions. At $100–$150, the Quartz Module 5689 (Tough Solar + Bluetooth) with About 7 months on a full charge without light; about 18 months in power-saving (Casio) power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Casio Vintage A168WA and Casio G-Shock GA-B2100 CasiOak represent two distinct approaches to fine watchmaking — the Casio bringing Made in Japan tradition while Casio delivers Made in Japan engineering.
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How This Page Was Made
Our comparisons are generated from a hand-maintained specification database and reviewed under our editorial standards. We use AI tools to assemble pages from that data. We don’t invent specs: every number traces back to the database, and when we correct an entry, the fix is applied site-wide. As an Amazon Associate, The Horologist earns from qualifying purchases.