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Citizen Promaster Aqualand BN2038 vs Casio G-Shock DW-5600 Square
Two divers compared — $500–$1,000 vs $50–$100
Quick Verdict
The Casio G-Shock DW-5600 Square ($50–$100) delivers Casio Digital Quartz (Battery) technology in the tier below the Citizen Promaster Aqualand BN2038 ($500–$1,000). The G-Shock DW-5600 Square measures 42.8mm (Square) and is rated 200m (20 ATM). The Promaster Aqualand BN2038 justifies its premium with Citizen (Japan) heritage and Eco-Drive. Both represent excellent choices in the diver category.
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Specifications Compared
| Feature | Citizen Promaster Aqualand BN2038 | Casio G-Shock DW-5600 Square |
|---|---|---|
| Price | $500–$1,000 | $50–$100 |
| Case Size | 46mm | 42.8mm (Square) |
| Movement | Eco-Drive | Quartz Module 3229 |
| Caliber Type | Citizen Eco-Drive | Casio Digital Quartz (Battery) |
| Power Reserve | — | 2-Year Battery |
| Water Resistance | 200m Diver | 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 Aqualand BN2038 features a Stainless Steel case at 46mm 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 vs Quartz Module 3229
The Promaster Aqualand BN2038 runs the Eco-Drive (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
46mm vs 42.8mm (Square) — different wrist presence
At 46mm, the Promaster Aqualand BN2038 has a bolder wrist presence compared to the G-Shock DW-5600 Square at 42.8mm (Square). Water resistance differs: 200m Diver vs 200m (20 ATM).
Value & Cost of Ownership
Casio sits in the lower tier
The Citizen Promaster Aqualand BN2038 sits at $500–$1,000 and the Casio G-Shock DW-5600 Square at $50–$100. On the specs that outlast any price: the Promaster Aqualand BN2038 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
200m Diver vs 200m (20 ATM)
The Promaster Aqualand BN2038 is rated to 200m Diver while the G-Shock DW-5600 Square handles 200m (20 ATM). Both offer identical water resistance ratings.
Our Verdict
Citizen
Promaster Aqualand BN2038
Choose the Citizen Promaster Aqualand BN2038 if you prioritize Citizen Eco-Drive engineering, Citizen (Japan) craftsmanship, and 200m Diver water resistance. At $500–$1,000, it delivers Eco-Drive 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 Aqualand BN2038 and Casio G-Shock DW-5600 Square represent two distinct approaches to the diver category — the Citizen bringing Citizen (Japan) tradition while Casio delivers Casio (Japan) engineering.
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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.

