Head-to-Head Comparison

Tudor Black Bay 58 vs Casio G-Shock DW-5600 Square

Two divers compared — $2,500–$5,000 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 Tudor Black Bay 58 ($2,500–$5,000). The G-Shock DW-5600 Square measures 42.8mm (Square) and is rated 200m (20 ATM). The Black Bay 58 justifies its premium with Swiss Made heritage and Automatic Manufacture Calibre MT5402. Both represent excellent choices in the diver category.

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Tudor Black Bay 58

Tudor

Black Bay 58

$2,500–$5,000

Casio G-Shock DW-5600 Square

Casio

G-Shock DW-5600 Square

$50–$100

Specifications Compared

FeatureTudor Black Bay 58Casio G-Shock DW-5600 Square
Price$2,500–$5,000$50–$100
Case Size39mm42.8mm (Square)
MovementAutomatic Manufacture Calibre MT5402Quartz Module 3229
Caliber TypeIn-House Automatic Manufacture (Kenissi)Casio Digital Quartz (Battery)
Power Reserve70 Hours2-Year Battery
Water Resistance200m (20 ATM)200m (20 ATM)
CrystalDomed SapphireMineral Glass
Case Material316L Stainless SteelResin
OriginSwiss MadeCasio (Japan)

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

Tudor's design language vs Casio's approach

The Tudor Black Bay 58 features a 316L Stainless Steel case at 39mm with Domed Sapphire 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: Tudor

Automatic Manufacture Calibre MT5402 vs Quartz Module 3229

The Black Bay 58 runs the Automatic Manufacture Calibre MT5402 (In-House Automatic Manufacture (Kenissi), 70 Hours power reserve) at 28,800 vph (4 Hz) frequency. The G-Shock DW-5600 Square uses the Quartz Module 3229 (Casio Digital Quartz (Battery), 2-Year Battery reserve) at standard. The Black Bay 58 edges ahead on power reserve.

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Wearability & Fit

Edge: Tudor

39mm vs 42.8mm (Square) — different wrist presence

At 39mm, the Black Bay 58 wears more compactly on smaller wrists compared to the G-Shock DW-5600 Square at 42.8mm (Square). Water resistance differs: 200m (20 ATM) vs 200m (20 ATM).

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Value & Cost of Ownership

Edge: Casio

Casio sits in the lower tier

The Tudor Black Bay 58 sits at $2,500–$5,000 and the Casio G-Shock DW-5600 Square at $50–$100. On the specs that outlast any price: the Black Bay 58 uses Domed Sapphire with 70 Hours, 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: Draw

200m (20 ATM) vs 200m (20 ATM)

The Black Bay 58 is rated to 200m (20 ATM) while the G-Shock DW-5600 Square handles 200m (20 ATM). Both offer identical water resistance ratings.

Our Verdict

Tudor

Black Bay 58

Choose the Tudor Black Bay 58 if you prioritize In-House Automatic Manufacture (Kenissi) engineering, Swiss Made craftsmanship, and 200m (20 ATM) water resistance. At $2,500–$5,000, it delivers Automatic Manufacture Calibre MT5402 with 70 Hours 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 Tudor Black Bay 58 and Casio G-Shock DW-5600 Square represent two distinct approaches to the diver category — the Tudor bringing Swiss Made tradition while Casio delivers Casio (Japan) engineering.

Frequently Asked Questions

Neither is objectively better — they serve different preferences. The Tudor Black Bay 58 ($2,500–$5,000) offers Automatic Manufacture Calibre MT5402 with 70 Hours 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: Swiss Made 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 Tudor Black Bay 58 may justify its premium with superior finishing, heritage, or resale value.
Both are suitable for daily wear. The Black Bay 58 at 39mm with 200m (20 ATM) water resistance handles everyday situations. The G-Shock DW-5600 Square at 42.8mm (Square) with 200m (20 ATM) is similarly capable. The Black Bay 58 uses Domed Sapphire while the G-Shock DW-5600 Square uses Mineral Glass. Sapphire resists scratches noticeably better than mineral glass.

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.