Maurice Lacroix Aikon Automatic vs Seiko Prospex Sea Solar SNE597
Two divers compared — $1,500–$2,500 vs $500–$1,000
Quick Verdict
The Seiko Prospex Sea Solar SNE597 ($500–$1,000) delivers Seiko Solar Quartz technology in the tier below the Maurice Lacroix Aikon Automatic ($1,500–$2,500). The Prospex Sea Solar SNE597 measures 41.0mm (48.8mm lug-to-lug, 11.3mm thick) and is rated 200m Diver. The Aikon Automatic justifies its premium with Swiss Made heritage and Automatic ML115. Both represent excellent choices in the diver category.
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Specifications Compared
| Feature | Maurice Lacroix Aikon Automatic | Seiko Prospex Sea Solar SNE597 |
|---|---|---|
| Price | $1,500–$2,500 | $500–$1,000 |
| Case Size | 42mm | 41.0mm (48.8mm lug-to-lug, 11.3mm thick) |
| Movement | Automatic ML115 | Solar Quartz |
| Caliber Type | Automatic (Sellita SW200-1 base) | Seiko Solar Quartz |
| Power Reserve | 38 Hours | — |
| Water Resistance | 200m (20 ATM) | 200m Diver |
| Crystal | Sapphire Crystal | Sapphire |
| Case Material | Stainless Steel | — |
| Origin | Swiss Made | Seiko (Japan) |
Category-by-Category Analysis
Design & Aesthetics
Maurice Lacroix's design language vs Seiko's approach
The Maurice Lacroix Aikon Automatic features a Stainless Steel case at 42mm with Sapphire Crystal protection. The Seiko Prospex Sea Solar SNE597 offers steel construction at 41.0mm (48.8mm lug-to-lug, 11.3mm thick) with Sapphire. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic ML115 vs Solar Quartz
The Aikon Automatic runs the Automatic ML115 (Automatic (Sellita SW200-1 base), 38 Hours power reserve) at 28,800 vph (4 Hz) frequency. The Prospex Sea Solar SNE597 uses the Solar Quartz (Seiko Solar Quartz, standard reserve) at standard. The Aikon Automatic edges ahead on power reserve.
Wearability & Fit
42mm vs 41.0mm (48.8mm lug-to-lug, 11.3mm thick) — different wrist presence
At 42mm, the Aikon Automatic has a bolder wrist presence compared to the Prospex Sea Solar SNE597 at 41.0mm (48.8mm lug-to-lug, 11.3mm thick). Water resistance differs: 200m (20 ATM) vs 200m Diver.
Value & Cost of Ownership
Seiko sits in the lower tier
The Maurice Lacroix Aikon Automatic sits at $1,500–$2,500 and the Seiko Prospex Sea Solar SNE597 at $500–$1,000. On the specs that outlast any price: the Aikon Automatic uses Sapphire Crystal with 38 Hours, against Sapphire and a standard reserve on the Prospex Sea Solar SNE597. Service intervals are typically 5-7 years for both.
Water Resistance
200m (20 ATM) vs 200m Diver
The Aikon Automatic is rated to 200m (20 ATM) while the Prospex Sea Solar SNE597 handles 200m Diver. Both offer identical water resistance ratings.
Our Verdict
Maurice Lacroix
Aikon Automatic
Choose the Maurice Lacroix Aikon Automatic if you prioritize Automatic (Sellita SW200-1 base) engineering, Swiss Made craftsmanship, and 200m (20 ATM) water resistance. At $1,500–$2,500, it delivers Automatic ML115 with 38 Hours power reserve.
Check Price on AmazonSeiko
Prospex Sea Solar SNE597
Choose the Seiko Prospex Sea Solar SNE597 if you value Seiko Solar Quartz technology, Seiko (Japan) heritage, and 41.0mm (48.8mm lug-to-lug, 11.3mm thick) proportions. At $500–$1,000, the Solar Quartz with ample power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Maurice Lacroix Aikon Automatic and Seiko Prospex Sea Solar SNE597 represent two distinct approaches to the diver category — the Maurice Lacroix bringing Swiss Made tradition while Seiko delivers Seiko (Japan) 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.