Updated
Casio MRW-230H vs Hublot Big Bang Unico Titanium 42
Casio's timepiece meets Hublot's chronograph
Quick Verdict
The Casio MRW-230H (Under $50) offers Casio Quartz (Battery) precision in the tier below the Hublot Big Bang Unico Titanium 42 ($10,000–$25,000). The MRW-230H measures 44.6mm (47.9 x 44.6 x 12.3mm) and is rated 100m (10 ATM). The Big Bang Unico Titanium 42 counters with Swiss Made craftsmanship and 100m (10 ATM) water resistance. Both are exceptional watches for their respective tiers.
Transparency — We earn a small commission on purchases made through our Amazon links. This doesn't affect our editorial independence.
Specifications Compared
| Feature | Casio MRW-230H | Hublot Big Bang Unico Titanium 42 |
|---|---|---|
| Price | Under $50 | $10,000–$25,000 |
| Case Size | 44.6mm (47.9 x 44.6 x 12.3mm) | 42mm |
| Movement | Quartz | Automatic flyback chronograph, Hublot HUB1280 Unico |
| Caliber Type | Casio Quartz (Battery) | Hublot in-house HUB1280, column wheel visible dial side |
| Power Reserve | Approx. 3-year battery (SR626SW) | About 72 hours |
| Water Resistance | 100m (10 ATM) | 100m (10 ATM) |
| Crystal | Resin Glass | Sapphire Crystal |
| Case Material | Resin case, aluminum bezel ring | Titanium, sandwich case |
| Origin | Casio (Japan) | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Casio's design language vs Hublot'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 Hublot Big Bang Unico Titanium 42 offers Titanium, sandwich case construction at 42mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Quartz vs Automatic flyback chronograph, Hublot HUB1280 Unico
The MRW-230H runs the Quartz (Casio Quartz (Battery), Approx. 3-year battery (SR626SW) power reserve) at standard frequency. The Big Bang Unico Titanium 42 uses the Automatic flyback chronograph, Hublot HUB1280 Unico (Hublot in-house HUB1280, column wheel visible dial side, About 72 hours reserve) at standard. The Big Bang Unico Titanium 42 offers a longer power reserve.
Wearability & Fit
44.6mm (47.9 x 44.6 x 12.3mm) vs 42mm — 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 Big Bang Unico Titanium 42 at 42mm. Water resistance differs: 100m (10 ATM) vs 100m (10 ATM).
Value & Cost of Ownership
Casio sits in the lower tier
The Casio MRW-230H sits at Under $50 and the Hublot Big Bang Unico Titanium 42 at $10,000–$25,000. On the specs that outlast any price: the MRW-230H uses Resin Glass with Approx. 3-year battery (SR626SW), against Sapphire Crystal and About 72 hours on the Big Bang Unico Titanium 42. Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 100m (10 ATM)
The MRW-230H is rated to 100m (10 ATM) while the Big Bang Unico Titanium 42 handles 100m (10 ATM). Both offer identical water resistance ratings.
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 AmazonHublot
Big Bang Unico Titanium 42
Choose the Hublot Big Bang Unico Titanium 42 if you value Hublot in-house HUB1280, column wheel visible dial side technology, Swiss Made heritage, and 42mm proportions. At $10,000–$25,000, the Automatic flyback chronograph, Hublot HUB1280 Unico with About 72 hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Casio MRW-230H and Hublot Big Bang Unico Titanium 42 represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Hublot delivers Swiss Made engineering.
Frequently Asked Questions
More Comparisons
Tag Heuer Carrera Chronograph vs Casio MRW-230H
Tag Heuer's chronograph meets Casio's timepiece
Tag Heuer Carrera Chronograph vs Hublot Big Bang Unico Titanium 42
Two chronographs compared — $2,500–$5,000 vs $10,000–$25,000
Tissot PRX Powermatic 80 vs Casio MRW-230H
Two timepieces compared — $500–$1,000 vs Under $50
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.

