Head-to-Head Comparison

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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Citizen Promaster Sky CB0248

Citizen

Promaster Sky CB0248

$250–$500

Casio G-Shock DW-5600 Square

Casio

G-Shock DW-5600 Square

$50–$100

Specifications Compared

FeatureCitizen Promaster Sky CB0248Casio G-Shock DW-5600 Square
Price$250–$500$50–$100
Case Size42.4mm42.8mm (Square)
MovementEco-Drive Radio-ControlledQuartz Module 3229
Caliber TypeCitizen Eco-DriveCasio Digital Quartz (Battery)
Power Reserve2-Year Battery
Water Resistance200m (20 ATM)
CrystalMineral Glass
Case MaterialStainless SteelResin
OriginCitizen (Japan)Casio (Japan)

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

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.

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Movement & Performance

Edge: Casio

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.

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Wearability & Fit

Edge: Citizen

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).

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Value & Cost of Ownership

Edge: Casio

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.

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Water Resistance

Edge: Casio

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.

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Casio

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.

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The 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

Neither is objectively better — they serve different preferences. The Citizen Promaster Sky CB0248 ($250–$500) offers Eco-Drive Radio-Controlled with reliable power reserve, while the Casio G-Shock DW-5600 Square ($50–$100) features Quartz Module 3229 with 200m (20 ATM) water resistance. Choose based on your priorities: Citizen (Japan) craftsmanship vs Casio (Japan) engineering.
The Casio G-Shock DW-5600 Square offers better upfront value, sitting a tier lower at $50–$100. However, the Citizen Promaster Sky CB0248 may justify its premium with superior finishing, heritage, or resale value.
Both are suitable for daily wear. The Promaster Sky CB0248 at 42.4mm with 50m water resistance handles everyday situations. The G-Shock DW-5600 Square at 42.8mm (Square) with 200m (20 ATM) is similarly capable. Check each model's crystal material if scratch resistance matters to you.

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.