Bulova Classic Automatic 98A139 vs Casio AE1200 World Time "Casio Royale"
Two timepieces compared — $250–$500 vs Under $50
Quick Verdict
The Casio AE1200 World Time "Casio Royale" (Under $50) delivers Casio Digital Quartz (Battery) technology in the tier below the Bulova Classic Automatic 98A139 ($250–$500). The AE1200 World Time "Casio Royale" measures 42.1mm and is rated 100m (10 ATM). The Classic Automatic 98A139 justifies its premium with Japanese Movement heritage and Automatic, 21 Jewels. Both represent excellent choices in the timepiece category.
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Specifications Compared
| Feature | Bulova Classic Automatic 98A139 | Casio AE1200 World Time "Casio Royale" |
|---|---|---|
| Price | $250–$500 | Under $50 |
| Case Size | 45mm | 42.1mm |
| Movement | Automatic, 21 Jewels | Quartz Module 3299 |
| Caliber Type | Self-Winding Automatic | Casio Digital Quartz (Battery) |
| Power Reserve | — | 10-Year Battery |
| Water Resistance | 30m (3 ATM) | 100m (10 ATM) |
| Crystal | Domed Crystal | Mineral Glass |
| Case Material | Black Ion-Plated Stainless Steel | Resin |
| Origin | Japanese Movement | Casio (Japan) |
Category-by-Category Analysis
Design & Aesthetics
Bulova's design language vs Casio's approach
The Bulova Classic Automatic 98A139 features a Black Ion-Plated Stainless Steel case at 45mm with Domed Crystal protection. The Casio AE1200 World Time "Casio Royale" offers Resin construction at 42.1mm with Mineral Glass. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic, 21 Jewels vs Quartz Module 3299
The Classic Automatic 98A139 runs the Automatic, 21 Jewels (Self-Winding Automatic, standard power reserve) at standard frequency. The AE1200 World Time "Casio Royale" uses the Quartz Module 3299 (Casio Digital Quartz (Battery), 10-Year Battery reserve) at standard. The AE1200 World Time "Casio Royale" offers a longer power reserve.
Wearability & Fit
45mm vs 42.1mm — different wrist presence
At 45mm, the Classic Automatic 98A139 has a bolder wrist presence compared to the AE1200 World Time "Casio Royale" at 42.1mm. Water resistance differs: 30m (3 ATM) vs 100m (10 ATM).
Value & Cost of Ownership
Casio sits in the lower tier
The Bulova Classic Automatic 98A139 sits at $250–$500 and the Casio AE1200 World Time "Casio Royale" at Under $50. On the specs that outlast any price: the Classic Automatic 98A139 uses Domed Crystal with a standard reserve, against Mineral Glass and 10-Year Battery on the AE1200 World Time "Casio Royale". Service intervals are typically 5-7 years for both.
Water Resistance
30m (3 ATM) vs 100m (10 ATM)
The Classic Automatic 98A139 is rated to 30m (3 ATM) while the AE1200 World Time "Casio Royale" handles 100m (10 ATM). The AE1200 World Time "Casio Royale" offers superior water resistance.
Our Verdict
Bulova
Classic Automatic 98A139
Choose the Bulova Classic Automatic 98A139 if you prioritize Self-Winding Automatic engineering, Japanese Movement craftsmanship, and 30m (3 ATM) water resistance. At $250–$500, it delivers Automatic, 21 Jewels with solid power reserve.
Check Price on AmazonCasio
AE1200 World Time "Casio Royale"
Choose the Casio AE1200 World Time "Casio Royale" if you value Casio Digital Quartz (Battery) technology, Casio (Japan) heritage, and 42.1mm proportions. At Under $50, the Quartz Module 3299 with 10-Year Battery power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Bulova Classic Automatic 98A139 and Casio AE1200 World Time "Casio Royale" represent two distinct approaches to the timepiece category — the Bulova bringing Japanese Movement tradition while Casio delivers Casio (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.

