Citizen Promaster Sky CB0248 vs Casio G-Shock DW-5600 Square
Citizen's pilot watch meets Casio's diver
Quick Verdict
The Casio G-Shock DW-5600 Square ($50–$100) delivers Casio Digital Quartz (Battery) technology in the tier below the Citizen Promaster Sky CB0248 ($250–$500). The G-Shock DW-5600 Square measures 42.8mm (Square) and is rated 200m (20 ATM). The Promaster Sky CB0248 justifies its premium with Citizen (Japan) heritage and Eco-Drive Radio-Controlled. Both represent excellent choices in the luxury watch category.
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Specifications Compared
| Feature | Citizen Promaster Sky CB0248 | Casio G-Shock DW-5600 Square |
|---|---|---|
| Price | $250–$500 | $50–$100 |
| Case Size | 42.4mm | 42.8mm (Square) |
| Movement | Eco-Drive Radio-Controlled | Quartz Module 3229 |
| Caliber Type | Citizen Eco-Drive | Casio Digital Quartz (Battery) |
| Power Reserve | — | 2-Year Battery |
| Water Resistance | — | 200m (20 ATM) |
| Crystal | — | Mineral Glass |
| Case Material | Stainless Steel | Resin |
| Origin | Citizen (Japan) | Casio (Japan) |
Category-by-Category Analysis
Design & Aesthetics
Citizen's design language vs Casio's approach
The Citizen Promaster Sky CB0248 features a Stainless Steel case at 42.4mm with crystal protection. The Casio G-Shock DW-5600 Square offers Resin construction at 42.8mm (Square) with Mineral Glass. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Eco-Drive Radio-Controlled vs Quartz Module 3229
The Promaster Sky CB0248 runs the Eco-Drive Radio-Controlled (Citizen Eco-Drive, standard power reserve) at standard frequency. The G-Shock DW-5600 Square uses the Quartz Module 3229 (Casio Digital Quartz (Battery), 2-Year Battery reserve) at standard. The G-Shock DW-5600 Square offers a longer power reserve.
Wearability & Fit
42.4mm vs 42.8mm (Square) — different wrist presence
At 42.4mm, the Promaster Sky CB0248 wears more compactly on smaller wrists compared to the G-Shock DW-5600 Square at 42.8mm (Square). Water resistance differs: 50m vs 200m (20 ATM).
Value & Cost of Ownership
Casio sits in the lower tier
The Citizen Promaster Sky CB0248 sits at $250–$500 and the Casio G-Shock DW-5600 Square at $50–$100. On the specs that outlast any price: the Promaster Sky CB0248 uses a hardened crystal with a standard reserve, against Mineral Glass and 2-Year Battery on the G-Shock DW-5600 Square. Service intervals are typically 5-7 years for both.
Water Resistance
50m vs 200m (20 ATM)
The Promaster Sky CB0248 is rated to 50m while the G-Shock DW-5600 Square handles 200m (20 ATM). The G-Shock DW-5600 Square offers superior water resistance.
Our Verdict
Citizen
Promaster Sky CB0248
Choose the Citizen Promaster Sky CB0248 if you prioritize Citizen Eco-Drive engineering, Citizen (Japan) craftsmanship, and reliable water resistance. At $250–$500, it delivers Eco-Drive Radio-Controlled with solid power reserve.
Check Price on AmazonCasio
G-Shock DW-5600 Square
Choose the Casio G-Shock DW-5600 Square if you value Casio Digital Quartz (Battery) technology, Casio (Japan) heritage, and 42.8mm (Square) proportions. At $50–$100, the Quartz Module 3229 with 2-Year Battery power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Citizen Promaster Sky CB0248 and Casio G-Shock DW-5600 Square represent two distinct approaches to fine watchmaking — the Citizen bringing Citizen (Japan) 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.

