Head-to-Head Comparison

Updated September 5, 2026

Casio MRW-230H vs Invicta Pro Diver Automatic

Casio's timepiece meets Invicta's diver

Quick Verdict

The Casio MRW-230H (Under $50) and Invicta Pro Diver Automatic ($50–$100) are closely matched timepieces at similar price points. The MRW-230H emphasizes Casio Quartz (Battery) engineering while the Pro Diver Automatic focuses on Japanese Movement (Seiko NH35) craftsmanship.

CasioMRW-230HUnder $50 Check price InvictaPro Diver Automatic$50–$100 Check price

Transparency — We earn a small commission on purchases made through our Amazon links. This doesn't affect our editorial independence.

Casio

MRW-230H

Under $50

Check Price Full Review

Invicta

Pro Diver Automatic

$50–$100

Check Price Full Review

Specifications Compared

Feature	Casio MRW-230H	Invicta Pro Diver Automatic
Price	Under $50	$50–$100
Case Size	44.6mm (47.9 x 44.6 x 12.3mm)	40mm
Movement	Quartz	Automatic Seiko NH35
Caliber Type	Casio Quartz (Battery)	Seiko NH35 Automatic (Hacking, Hand-Winding)
Power Reserve	Approx. 3-year battery (SR626SW)	41 Hours
Water Resistance	100m (10 ATM)	200m (20 ATM)
Crystal	Resin Glass	Mineral Glass
Case Material	Resin case, aluminum bezel ring	Stainless Steel
Origin	Casio (Japan)	Japanese Movement (Seiko NH35)

Category-by-Category Analysis

🎨

Design & Aesthetics

Edge: Draw

Casio's design language vs Invicta's approach

The Casio MRW-230H features a Resin case, aluminum bezel ring case at 44.6mm (47.9 x 44.6 x 12.3mm) with Resin Glass protection. The Invicta Pro Diver Automatic offers Stainless Steel construction at 40mm with Mineral Glass. Both represent their brand's distinct design philosophy and heritage.

⚙️

Movement & Performance

Edge: Invicta

Quartz vs Automatic Seiko NH35

The MRW-230H runs the Quartz (Casio Quartz (Battery), Approx. 3-year battery (SR626SW) power reserve) at standard frequency. The Pro Diver Automatic uses the Automatic Seiko NH35 (Seiko NH35 Automatic (Hacking, Hand-Winding), 41 Hours reserve) at 21,600 vph (3 Hz). The Pro Diver Automatic offers a longer power reserve.

📏

Wearability & Fit

Edge: Invicta

44.6mm (47.9 x 44.6 x 12.3mm) vs 40mm — different wrist presence

At 44.6mm (47.9 x 44.6 x 12.3mm), the MRW-230H has a bolder wrist presence compared to the Pro Diver Automatic at 40mm. Water resistance differs: 100m (10 ATM) vs 200m (20 ATM).

💰

Value & Cost of Ownership

Edge: Draw

Same tier — different value propositions

The Casio MRW-230H sits at Under $50 and the Invicta Pro Diver Automatic at $50–$100. On the specs that outlast any price: the MRW-230H uses Resin Glass with Approx. 3-year battery (SR626SW), against Mineral Glass and 41 Hours on the Pro Diver Automatic. Service intervals are typically 5-7 years for both.

💧

Water Resistance

Edge: Invicta

100m (10 ATM) vs 200m (20 ATM)

The MRW-230H is rated to 100m (10 ATM) while the Pro Diver Automatic handles 200m (20 ATM). The Pro Diver Automatic offers superior water resistance.

Our Verdict

Casio

MRW-230H

Choose the Casio MRW-230H if you prioritize Casio Quartz (Battery) engineering, Casio (Japan) craftsmanship, and 100m (10 ATM) water resistance. At Under $50, it delivers Quartz with Approx. 3-year battery (SR626SW) power reserve.

Check Price on Amazon

Invicta

Pro Diver Automatic

Choose the Invicta Pro Diver Automatic if you value Seiko NH35 Automatic (Hacking, Hand-Winding) technology, Japanese Movement (Seiko NH35) heritage, and 40mm proportions. At $50–$100, the Automatic Seiko NH35 with 41 Hours power reserve makes it a compelling choice.

Check Price on Amazon

Try Prime Free — Free Shipping on Both Watches Students & 18–24: start Prime for Young Adults free

The Bottom Line

The Casio MRW-230H and Invicta Pro Diver Automatic represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Invicta delivers Japanese Movement (Seiko NH35) engineering.

Frequently Asked Questions

The Invicta Pro Diver Automatic is the better buy if you want a mechanical movement; the Casio MRW-230H is the better buy if you want quartz accuracy with no servicing. For water, the Invicta Pro Diver Automatic is rated 200 m against 100 m, which is the difference between swimming and diving on one side and splashes on the other. 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.

Both are priced similarly, making this a question of preference rather than value. The MRW-230H emphasizes Casio Quartz (Battery) technology while the Pro Diver Automatic prioritizes Seiko NH35 Automatic (Hacking, Hand-Winding) precision.

Both are suitable for daily wear. The MRW-230H at 44.6mm (47.9 x 44.6 x 12.3mm) with 100m (10 ATM) water resistance handles everyday situations. The Pro Diver Automatic at 40mm with 200m (20 ATM) is similarly capable. The MRW-230H uses Resin Glass while the Pro Diver Automatic uses Mineral Glass.

More Comparisons

Tag Heuer Carrera Chronograph vs Casio MRW-230H

Tag Heuer's chronograph meets Casio's timepiece

Tag Heuer Carrera Chronograph vs Invicta Pro Diver Automatic

Tag Heuer's chronograph meets Invicta's diver

Tissot PRX Powermatic 80 vs Casio MRW-230H

Two timepieces compared — $500–$1,000 vs Under $50

Explore These Watches

Casio MRW-230H — Full Review Invicta Pro Diver Automatic — Full Review Browse All Guides

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.