Head-to-Head Comparison

Updated September 5, 2026

Casio G-Shock DW-5600 Square vs Junghans Form A Automatic

Casio's diver meets Junghans's dress watch

Quick Verdict

The Casio G-Shock DW-5600 Square ($50–$100) offers Casio Digital Quartz (Battery) precision in the tier below the Junghans Form A Automatic ($1,000–$1,500). The G-Shock DW-5600 Square measures 42.8mm (Square) and is rated 200m (20 ATM). The Form A Automatic counters with Made in Germany craftsmanship and 50m (5 ATM) water resistance. Both are exceptional watches for their respective tiers.

CasioG-Shock DW-5600 Square$50–$100 Check price View the dossier

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Casio

G-Shock DW-5600 Square

$50–$100

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Junghans

Form A Automatic

$1,000–$1,500

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Specifications Compared

Feature	Casio G-Shock DW-5600 Square	Junghans Form A Automatic
Price	$50–$100	$1,000–$1,500
Case Size	42.8mm (Square)	39.3mm
Movement	Quartz Module 3229	Automatic J800.2 (ETA 2824-2)
Caliber Type	Casio Digital Quartz (Battery)	Swiss ETA Base, German-Finished
Power Reserve	2-Year Battery	38 Hours
Water Resistance	200m (20 ATM)	50m (5 ATM)
Crystal	Mineral Glass	Flat Sapphire with Anti-Reflective Coating
Case Material	Resin	Stainless Steel
Origin	Casio (Japan)	Made in Germany

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

Casio's design language vs Junghans's approach

The Casio G-Shock DW-5600 Square features a Resin case at 42.8mm (Square) with Mineral Glass protection. The Junghans Form A Automatic offers Stainless Steel construction at 39.3mm with Flat Sapphire with Anti-Reflective Coating. Both represent their brand's distinct design philosophy and heritage.

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Movement & Performance

Edge: Junghans

Quartz Module 3229 vs Automatic J800.2 (ETA 2824-2)

The G-Shock DW-5600 Square runs the Quartz Module 3229 (Casio Digital Quartz (Battery), 2-Year Battery power reserve) at standard frequency. The Form A Automatic uses the Automatic J800.2 (ETA 2824-2) (Swiss ETA Base, German-Finished, 38 Hours reserve) at 28,800 vph (4 Hz). The Form A Automatic offers a longer power reserve.

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Wearability & Fit

Edge: Junghans

42.8mm (Square) vs 39.3mm — different wrist presence

At 42.8mm (Square), the G-Shock DW-5600 Square has a bolder wrist presence compared to the Form A Automatic at 39.3mm. Water resistance differs: 200m (20 ATM) vs 50m (5 ATM).

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Value & Cost of Ownership

Edge: Casio

Casio sits in the lower tier

The Casio G-Shock DW-5600 Square sits at $50–$100 and the Junghans Form A Automatic at $1,000–$1,500. On the specs that outlast any price: the G-Shock DW-5600 Square uses Mineral Glass with 2-Year Battery, against Flat Sapphire with Anti-Reflective Coating and 38 Hours on the Form A Automatic. Service intervals are typically 5-7 years for both.

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Water Resistance

Edge: Casio

200m (20 ATM) vs 50m (5 ATM)

The G-Shock DW-5600 Square is rated to 200m (20 ATM) while the Form A Automatic handles 50m (5 ATM). The G-Shock DW-5600 Square is better suited for water activities.

Our Verdict

Casio

G-Shock DW-5600 Square

Choose the Casio G-Shock DW-5600 Square if you prioritize Casio Digital Quartz (Battery) engineering, Casio (Japan) craftsmanship, and 200m (20 ATM) water resistance. At $50–$100, it delivers Quartz Module 3229 with 2-Year Battery power reserve.

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Junghans

Form A Automatic

Choose the Junghans Form A Automatic if you value Swiss ETA Base, German-Finished technology, Made in Germany heritage, and 39.3mm proportions. At $1,000–$1,500, the Automatic J800.2 (ETA 2824-2) with 38 Hours power reserve makes it a compelling choice.

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The Bottom Line

The Casio G-Shock DW-5600 Square and Junghans Form A Automatic represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Junghans delivers Made in Germany engineering.

Frequently Asked Questions

The Junghans Form A Automatic is the better buy if you want a mechanical movement; the Casio G-Shock DW-5600 Square is the better buy if you want quartz accuracy with no servicing. For water, the Casio G-Shock DW-5600 Square is rated 200 m against 50 m, which is the difference between swimming and diving on one side and splashes on the other. On price, the Casio G-Shock DW-5600 Square sits a band lower ($50–$100 against $1,000–$1,500), so it is the cheaper way into the category. Neither is better at everything; the spec table above shows movement, case size, water resistance and crystal side by side so you can weigh what matters to you. We do not test units, so this is the makers' data, not a bench result.

The Casio G-Shock DW-5600 Square offers better upfront value, sitting a tier lower at $50–$100. However, the Junghans Form A Automatic may justify its premium with superior finishing, heritage, or resale value.

Both are suitable for daily wear. The G-Shock DW-5600 Square at 42.8mm (Square) with 200m (20 ATM) water resistance handles everyday situations. The Form A Automatic at 39.3mm with 50m (5 ATM) is similarly capable. The G-Shock DW-5600 Square uses Mineral Glass while the Form A Automatic uses Flat Sapphire with Anti-Reflective Coating. Sapphire resists scratches noticeably better than mineral glass.

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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.