Casio G-Shock DW-5600 Square vs Invicta Pro Diver Automatic 23681
Two divers compared — $50–$100 vs $50–$100
Quick Verdict
The Casio G-Shock DW-5600 Square ($50–$100) and Invicta Pro Diver Automatic 23681 ($50–$100) are closely matched divers at similar price points. The G-Shock DW-5600 Square emphasizes Casio Digital Quartz (Battery) engineering while the Pro Diver Automatic 23681 focuses on Invicta (Japanese movement) craftsmanship.
Transparency — We earn a small commission on purchases made through our Amazon links. This doesn't affect our editorial independence.
Specifications Compared
| Feature | Casio G-Shock DW-5600 Square | Invicta Pro Diver Automatic 23681 |
|---|---|---|
| Price | $50–$100 | $50–$100 |
| Case Size | 42.8mm (Square) | 40mm |
| Movement | Quartz Module 3229 | Automatic NH35A |
| Caliber Type | Casio Digital Quartz (Battery) | Automatic (Seiko NH35A) |
| Power Reserve | 2-Year Battery | — |
| Water Resistance | 200m (20 ATM) | 200m |
| Crystal | Mineral Glass | Mineral Glass |
| Case Material | Resin | — |
| Origin | Casio (Japan) | Invicta (Japanese movement) |
Category-by-Category Analysis
Design & Aesthetics
Casio's design language vs Invicta's approach
The Casio G-Shock DW-5600 Square features a Resin case at 42.8mm (Square) with Mineral Glass protection. The Invicta Pro Diver Automatic 23681 offers steel construction at 40mm with Mineral Glass. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Quartz Module 3229 vs Automatic NH35A
The G-Shock DW-5600 Square runs the Quartz Module 3229 (Casio Digital Quartz (Battery), 2-Year Battery power reserve) at standard frequency. The Pro Diver Automatic 23681 uses the Automatic NH35A (Automatic (Seiko NH35A), standard reserve) at standard. The G-Shock DW-5600 Square edges ahead on power reserve.
Wearability & Fit
42.8mm (Square) vs 40mm — different wrist presence
At 42.8mm (Square), the G-Shock DW-5600 Square has a bolder wrist presence compared to the Pro Diver Automatic 23681 at 40mm. Water resistance differs: 200m (20 ATM) vs 200m.
Value & Cost of Ownership
Same tier — different value propositions
The Casio G-Shock DW-5600 Square sits at $50–$100 and the Invicta Pro Diver Automatic 23681 at $50–$100. On the specs that outlast any price: the G-Shock DW-5600 Square uses Mineral Glass with 2-Year Battery, against Mineral Glass and a standard reserve on the Pro Diver Automatic 23681. Service intervals are typically 5-7 years for both.
Water Resistance
200m (20 ATM) vs 200m
The G-Shock DW-5600 Square is rated to 200m (20 ATM) while the Pro Diver Automatic 23681 handles 200m. Both offer identical water resistance ratings.
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.
Check Price on AmazonInvicta
Pro Diver Automatic 23681
Choose the Invicta Pro Diver Automatic 23681 if you value Automatic (Seiko NH35A) technology, Invicta (Japanese movement) heritage, and 40mm proportions. At $50–$100, the Automatic NH35A with ample power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Casio G-Shock DW-5600 Square and Invicta Pro Diver Automatic 23681 represent two distinct approaches to the diver category — the Casio bringing Casio (Japan) tradition while Invicta delivers Invicta (Japanese movement) engineering.
Frequently Asked Questions
More Comparisons
Tag Heuer Carrera Chronograph vs Casio G-Shock DW-5600 Square
Tag Heuer's chronograph meets Casio's diver
Tag Heuer Carrera Chronograph vs Invicta Pro Diver Automatic 23681
Tag Heuer's chronograph meets Invicta's diver
Tissot PRX Powermatic 80 vs Casio G-Shock DW-5600 Square
Tissot's timepiece meets Casio's diver
Explore These Watches
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.

