Casio F-91W vs Maurice Lacroix Aikon Automatic
Casio's timepiece meets Maurice Lacroix's diver
Quick Verdict
The Casio F-91W (Under $50) offers Casio Digital Quartz (Battery) precision in the tier below the Maurice Lacroix Aikon Automatic ($1,500–$2,500). The F-91W measures 35mm and is rated 30m (Splash Resistant). The Aikon Automatic counters with Swiss Made craftsmanship and 200m (20 ATM) water resistance. Both are exceptional watches for their respective tiers.
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Specifications Compared
| Feature | Casio F-91W | Maurice Lacroix Aikon Automatic |
|---|---|---|
| Price | Under $50 | $1,500–$2,500 |
| Case Size | 35mm | 42mm |
| Movement | Quartz Module 593 | Automatic ML115 |
| Caliber Type | Casio Digital Quartz (Battery) | Automatic (Sellita SW200-1 base) |
| Power Reserve | 7-Year Battery | 38 Hours |
| Water Resistance | 30m (Splash Resistant) | 200m (20 ATM) |
| Crystal | Acrylic | Sapphire Crystal |
| Case Material | Resin | Stainless Steel |
| Origin | Casio (Japan) | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Casio's design language vs Maurice Lacroix's approach
The Casio F-91W features a Resin case at 35mm with Acrylic protection. The Maurice Lacroix Aikon Automatic offers Stainless Steel construction at 42mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Quartz Module 593 vs Automatic ML115
The F-91W runs the Quartz Module 593 (Casio Digital Quartz (Battery), 7-Year Battery power reserve) at standard frequency. The Aikon Automatic uses the Automatic ML115 (Automatic (Sellita SW200-1 base), 38 Hours reserve) at 28,800 vph (4 Hz). The Aikon Automatic offers a longer power reserve.
Wearability & Fit
35mm vs 42mm — different wrist presence
At 35mm, the F-91W wears more compactly on smaller wrists compared to the Aikon Automatic at 42mm. Water resistance differs: 30m (Splash Resistant) vs 200m (20 ATM).
Value & Cost of Ownership
Casio sits in the lower tier
The Casio F-91W sits at Under $50 and the Maurice Lacroix Aikon Automatic at $1,500–$2,500. On the specs that outlast any price: the F-91W uses Acrylic with 7-Year Battery, against Sapphire Crystal and 38 Hours on the Aikon Automatic. Service intervals are typically 5-7 years for both.
Water Resistance
30m (Splash Resistant) vs 200m (20 ATM)
The F-91W is rated to 30m (Splash Resistant) while the Aikon Automatic handles 200m (20 ATM). The Aikon Automatic offers superior water resistance.
Our Verdict
Casio
F-91W
Choose the Casio F-91W if you prioritize Casio Digital Quartz (Battery) engineering, Casio (Japan) craftsmanship, and 30m (Splash Resistant) water resistance. At Under $50, it delivers Quartz Module 593 with 7-Year Battery power reserve.
Check Price on AmazonMaurice Lacroix
Aikon Automatic
Choose the Maurice Lacroix Aikon Automatic if you value Automatic (Sellita SW200-1 base) technology, Swiss Made heritage, and 42mm proportions. At $1,500–$2,500, the Automatic ML115 with 38 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Casio F-91W and Maurice Lacroix Aikon Automatic represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Maurice Lacroix delivers Swiss Made engineering.
Frequently Asked Questions
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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.

