Head-to-Head Comparison

Maurice Lacroix Aikon Automatic vs Mido Ocean Star GMT

Two divers compared — $1,500–$2,500 vs $1,000–$1,500

Quick Verdict

The Mido Ocean Star GMT ($1,000–$1,500) delivers Automatic (ETA C07.661 base) technology in the tier below the Maurice Lacroix Aikon Automatic ($1,500–$2,500). The Ocean Star GMT measures 44mm and is rated 200m (20 ATM). 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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Maurice Lacroix Aikon Automatic

Maurice Lacroix

Aikon Automatic

$1,500–$2,500

Mido Ocean Star GMT

Mido

Ocean Star GMT

$1,000–$1,500

Specifications Compared

FeatureMaurice Lacroix Aikon AutomaticMido Ocean Star GMT
Price$1,500–$2,500$1,000–$1,500
Case Size42mm44mm
MovementAutomatic ML115Automatic Caliber 80 (Base ETA C07.661)
Caliber TypeAutomatic (Sellita SW200-1 base)Automatic (ETA C07.661 base)
Power Reserve38 Hours80 Hours
Water Resistance200m (20 ATM)200m (20 ATM)
CrystalSapphire CrystalSapphire with Double-sided AR
Case MaterialStainless SteelStainless Steel
OriginSwiss MadeSwiss Made

Category-by-Category Analysis

🎨

Design & Aesthetics

Edge: Draw

Maurice Lacroix's design language vs Mido's approach

The Maurice Lacroix Aikon Automatic features a Stainless Steel case at 42mm with Sapphire Crystal protection. The Mido Ocean Star GMT offers Stainless Steel construction at 44mm with Sapphire with Double-sided AR. Both represent their brand's distinct design philosophy and heritage.

⚙️

Movement & Performance

Edge: Mido

Automatic ML115 vs Automatic Caliber 80 (Base ETA C07.661)

The Aikon Automatic runs the Automatic ML115 (Automatic (Sellita SW200-1 base), 38 Hours power reserve) at 28,800 vph (4 Hz) frequency. The Ocean Star GMT uses the Automatic Caliber 80 (Base ETA C07.661) (Automatic (ETA C07.661 base), 80 Hours reserve) at 21,600 vph (3 Hz). The Ocean Star GMT offers a longer power reserve.

📏

Wearability & Fit

Edge: Maurice Lacroix

42mm vs 44mm — different wrist presence

At 42mm, the Aikon Automatic wears more compactly on smaller wrists compared to the Ocean Star GMT at 44mm. Water resistance differs: 200m (20 ATM) vs 200m (20 ATM).

💰

Value & Cost of Ownership

Edge: Mido

Mido sits in the lower tier

The Maurice Lacroix Aikon Automatic sits at $1,500–$2,500 and the Mido Ocean Star GMT at $1,000–$1,500. On the specs that outlast any price: the Aikon Automatic uses Sapphire Crystal with 38 Hours, against Sapphire with Double-sided AR and 80 Hours on the Ocean Star GMT. Service intervals are typically 5-7 years for both.

💧

Water Resistance

Edge: Draw

200m (20 ATM) vs 200m (20 ATM)

The Aikon Automatic is rated to 200m (20 ATM) while the Ocean Star GMT handles 200m (20 ATM). Both offer identical water resistance ratings.

Materials Face-Off

ComponentMaurice Lacroix Aikon AutomaticMido Ocean Star GMT
Stainless Steel 316L (Marine Grade)

Medical-grade 316L stainless steel with alloy composition: Fe (~65%), Cr (16–18%), Ni (10–14%), Mo (2–3%), Mn (≤2%), C (≤0.03%). The molybdenum content prevents pitting corrosion in chlorinated and saltwater environments. Mixed finishing — polished bezel arms and case flanks with satin-brushed top surfaces.

Stainless steel 316L

Sapphire Crystal (Anti-Reflective Coated)

Synthetic corundum crystal (Mohs hardness 9, second only to diamond) with multi-layer anti-reflective coating for glare reduction. Virtually scratch-proof in daily wear.

Synthetic sapphire grown via Verneuil process, Mohs 9. Double-sided AR coating — uncommon at this price tier, provides exceptionally clear dial readi

Mohs 9
Integrated Bracelet with EasyChange System

Stainless steel integrated links with alternating brushed and polished surfaces. Features Maurice Lacroix's proprietary EasyChange quick-release system — spring-loaded pushers on the case flanks allow strap swaps in seconds without tools.

Ceramic (ZrO₂) — scratchproof, color-stable. Engraved 24-hour scale

Clous de Paris Dial Finishing

Mechanical hobnail (Clous de Paris) pattern pressed into the dial blank before color application. This traditional guilloche-adjacent technique creates a grid of raised pyramidal studs that catch and refract light from every angle. Uncommon at this price point.

Super-LumiNova (variant-dependent grade)

Super-LumiNova

Applied to the hands and hour markers for legibility in the dark. Maurice Lacroix does not publish the Super-LumiNova grade for this reference, so no emission colour or wavelength is stated.

Stainless steel 316L

Cost of Ownership Compared

1 yr5 yr10 yr
Maurice Lacroix Aikon Automatic$2,343
$1.28/day
Purchase: $1,900Service: $300Insurance: $143
Mido Ocean Star GMT$1,640
$0.90/day
Purchase: $1,200Service: $350Insurance: $90

The Mido Ocean Star GMT saves you $703 over 5 years of ownership

Who Should Pick Which

Pick the Maurice Lacroix Aikon Automatic if…

  • Enthusiasts wanting the integrated-bracelet luxury sports watch look under $2,000
  • Daily wearers who need genuine 200m WR with screw-down crown
  • Those who value strap versatility — EasyChange is a genuine differentiator
  • Buyers who appreciate fine dial craftsmanship (Clous de Paris) at an accessible price

Pick the Mido Ocean Star GMT if…

  • Enthusiasts wanting proven Swiss/Japanese quality in the $1,000–$2,000 sweet spot
  • Dive watch enthusiasts — 200m water resistance is proper dive spec
  • Weekend warriors — 80-hour power reserve means it survives two days off the wrist
  • Those who prioritize scratch resistance — sapphire crystal
  • Dive watch collectors who appreciate proper ISO-rated tool watches

Maurice Lacroix Aikon Automatic

  • Brand recognition gap: Maurice Lacroix doesn't command the instant recognition of Omega, Tudor, or TAG Heuer. Buyers motivated purely by brand cachet may feel the money is better spent on a more recognizable name.
  • 38-hour power reserve: Below average for 2026 — most competitors offer 60–80 hours (Tissot PRX Powermatic 80 offers 80h at 1/3 the price). Skip a day wearing it and you'll need to reset time and date.
  • Sellita SW200-1 base movement: A proven workhorse with the ML115 26-jewel upgrade, but not in-house. Enthusiasts who prioritize manufacture movements may view this as a drawback at this price point.
  • Grey-market erosion: Heavy grey-market discounting ($1,200–$1,500 vs full retail) undermines the brand's luxury positioning and signals weak demand at MSRP.

Mido Ocean Star GMT

  • 44mm wears large — too big for under-7" wrists
  • ETA base movement at this price — fair value but not in-house prestige
  • Crystal AR coating can show fingerprints — double-sided AR is a quality upgrade but requires more frequent wipe-downs
  • Bracelet quality is adequate not exceptional — most owners report the bracelet is the watch's weak point; aftermarket rubber/MN straps significantly upgrade daily wear

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.

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Mido

Ocean Star GMT

Choose the Mido Ocean Star GMT if you value Automatic (ETA C07.661 base) technology, Swiss Made heritage, and 44mm proportions. At $1,000–$1,500, the Automatic Caliber 80 (Base ETA C07.661) with 80 Hours power reserve makes it a compelling choice.

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The Bottom Line

The Maurice Lacroix Aikon Automatic and Mido Ocean Star GMT represent two distinct approaches to the diver category — the Maurice Lacroix bringing Swiss Made tradition while Mido delivers Swiss Made engineering.

Frequently Asked Questions

Neither is objectively better — they serve different preferences. The Maurice Lacroix Aikon Automatic ($1,500–$2,500) offers Automatic ML115 with 38 Hours power reserve, while the Mido Ocean Star GMT ($1,000–$1,500) features Automatic Caliber 80 (Base ETA C07.661) with 200m (20 ATM) water resistance. Choose based on your priorities: Swiss Made craftsmanship vs Swiss Made engineering.
The Mido Ocean Star GMT offers better upfront value, sitting a tier lower at $1,000–$1,500. However, the Maurice Lacroix Aikon Automatic may justify its premium with superior finishing, heritage, or resale value.
Both are suitable for daily wear. The Aikon Automatic at 42mm with 200m (20 ATM) water resistance handles everyday situations. The Ocean Star GMT at 44mm with 200m (20 ATM) is similarly capable. The Aikon Automatic uses Sapphire Crystal while the Ocean Star GMT uses Sapphire with Double-sided AR.

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.