Casio Vintage A168WA vs Seiko Prospex Alpinist
Casio's chronograph meets Seiko's diver
Quick Verdict
The Casio Vintage A168WA (Under $50) offers Casio Quartz (Battery) precision in the tier below the Seiko Prospex Alpinist ($500–$1,000). The Vintage A168WA measures 36.3mm and is rated 30m (3 ATM). The Prospex Alpinist 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 | Seiko Prospex Alpinist |
|---|---|---|
| Price | Under $50 | $500–$1,000 |
| Case Size | 36.3mm | 39.5mm |
| Movement | Quartz Module 3298 | Automatic Caliber 6R35 |
| Caliber Type | Casio Quartz (Battery) | In-House Automatic Manufacture |
| Power Reserve | — | 70 Hours |
| Water Resistance | 30m (3 ATM) | 200m (20 ATM) |
| Crystal | Mineral Glass | Sapphire with Cyclops |
| Case Material | Stainless Steel & Resin | Stainless Steel |
| Origin | Made in Japan | Made in Japan |
Category-by-Category Analysis
Design & Aesthetics
Casio's design language vs Seiko's approach
The Casio Vintage A168WA features a Stainless Steel & Resin case at 36.3mm with Mineral Glass protection. The Seiko Prospex Alpinist offers Stainless Steel construction at 39.5mm with Sapphire with Cyclops. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Quartz Module 3298 vs Automatic Caliber 6R35
The Vintage A168WA runs the Quartz Module 3298 (Casio Quartz (Battery), standard power reserve) at standard frequency. The Prospex Alpinist uses the Automatic Caliber 6R35 (In-House Automatic Manufacture, 70 Hours reserve) at 21,600 vph (3 Hz). The Prospex Alpinist offers a longer power reserve.
Wearability & Fit
36.3mm vs 39.5mm — different wrist presence
At 36.3mm, the Vintage A168WA wears more compactly on smaller wrists compared to the Prospex Alpinist at 39.5mm. 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 Seiko Prospex Alpinist at $500–$1,000. On the specs that outlast any price: the Vintage A168WA uses Mineral Glass with a standard reserve, against Sapphire with Cyclops and 70 Hours on the Prospex Alpinist. 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 Prospex Alpinist handles 200m (20 ATM). The Prospex Alpinist 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 AmazonSeiko
Prospex Alpinist
Choose the Seiko Prospex Alpinist if you value In-House Automatic Manufacture technology, Made in Japan heritage, and 39.5mm proportions. At $500–$1,000, the Automatic Caliber 6R35 with 70 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Casio Vintage A168WA and Seiko Prospex Alpinist represent two distinct approaches to fine watchmaking — the Casio bringing Made in Japan tradition while Seiko delivers Made in Japan engineering.
Frequently Asked Questions
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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.