Casio AE1200 World Time "Casio Royale" vs Mido Ocean Star GMT
Casio's timepiece meets Mido's diver
Quick Verdict
The Casio AE1200 World Time "Casio Royale" (Under $50) offers Casio Digital Quartz (Battery) precision in the tier below the Mido Ocean Star GMT ($1,000–$1,500). The AE1200 World Time "Casio Royale" measures 42.1mm and is rated 100m (10 ATM). The Ocean Star GMT counters with Swiss Made craftsmanship and 200m (20 ATM) water resistance. Both are exceptional watches for their respective tiers.
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Specifications Compared
| Feature | Casio AE1200 World Time "Casio Royale" | Mido Ocean Star GMT |
|---|---|---|
| Price | Under $50 | $1,000–$1,500 |
| Case Size | 42.1mm | 44mm |
| Movement | Quartz Module 3299 | Automatic Caliber 80 (Base ETA C07.661) |
| Caliber Type | Casio Digital Quartz (Battery) | Automatic (ETA C07.661 base) |
| Power Reserve | 10-Year Battery | 80 Hours |
| Water Resistance | 100m (10 ATM) | 200m (20 ATM) |
| Crystal | Mineral Glass | Sapphire with Double-sided AR |
| Case Material | Resin | Stainless Steel |
| Origin | Casio (Japan) | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Casio's design language vs Mido's approach
The Casio AE1200 World Time "Casio Royale" features a Resin case at 42.1mm with Mineral Glass protection. The Mido Ocean Star GMT offers Stainless Steel construction at 44mm with Sapphire with Double-sided AR. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Quartz Module 3299 vs Automatic Caliber 80 (Base ETA C07.661)
The AE1200 World Time "Casio Royale" runs the Quartz Module 3299 (Casio Digital Quartz (Battery), 10-Year Battery power reserve) at standard frequency. The Ocean Star GMT uses the Automatic Caliber 80 (Base ETA C07.661) (Automatic (ETA C07.661 base), 80 Hours reserve) at 21,600 vph (3 Hz). The Ocean Star GMT offers a longer power reserve.
Wearability & Fit
42.1mm vs 44mm — different wrist presence
At 42.1mm, the AE1200 World Time "Casio Royale" wears more compactly on smaller wrists compared to the Ocean Star GMT at 44mm. Water resistance differs: 100m (10 ATM) vs 200m (20 ATM).
Value & Cost of Ownership
Casio sits in the lower tier
The Casio AE1200 World Time "Casio Royale" sits at Under $50 and the Mido Ocean Star GMT at $1,000–$1,500. On the specs that outlast any price: the AE1200 World Time "Casio Royale" uses Mineral Glass with 10-Year Battery, against Sapphire with Double-sided AR and 80 Hours on the Ocean Star GMT. Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 200m (20 ATM)
The AE1200 World Time "Casio Royale" is rated to 100m (10 ATM) while the Ocean Star GMT handles 200m (20 ATM). The Ocean Star GMT offers superior water resistance.
Our Verdict
Casio
AE1200 World Time "Casio Royale"
Choose the Casio AE1200 World Time "Casio Royale" if you prioritize Casio Digital Quartz (Battery) engineering, Casio (Japan) craftsmanship, and 100m (10 ATM) water resistance. At Under $50, it delivers Quartz Module 3299 with 10-Year Battery power reserve.
Check Price on AmazonMido
Ocean Star GMT
Choose the Mido Ocean Star GMT if you value Automatic (ETA C07.661 base) technology, Swiss Made heritage, and 44mm proportions. At $1,000–$1,500, the Automatic Caliber 80 (Base ETA C07.661) with 80 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Casio AE1200 World Time "Casio Royale" and Mido Ocean Star GMT represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Mido delivers Swiss Made 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.

