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Entry to the Grand Prix d'Horlogerie de Genève is voluntary and made by the brand. An entry is a watch registered for that year's competition, not a jury verdict, and several large houses including Rolex, Patek Philippe and Omega do not take part at all.

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Mid-tier supplier movement · caliber Maurice Lacroix Cal. ML115: Sellita SW200-1 base with Maurice Lacroix branded rotor, automatic, 28,800bph, 38h PR, 26j; used in AIKON 42; not in-house; sporty architecture · 38h power reserve
Medium-large: suits wrists 6.5 in+ (16.5 cm+)
42 mm case. Wears confidently on average to larger wrists. May overhang on slender builds.

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Authentication

The ML115 in-house movement is the key differentiator; Sellita or ETA architecture through the caseback is a definitive movement swap.

Known issues in the market
  • The Aikon caseback exhibition window must show ML115 in-house architecture; any Sellita or ETA movement is a non-genuine swap.
  • B&M-signed end links on the integrated bracelet confirm bracelet originality.
AreaWhat to checkWhat is correctRed flag
casebackML115 in-house movementCal. ML115 with Maurice Lacroix-specific bridge layout visible through casebackSellita SW200 or ETA 2824 architecture; movement swap
braceletSigned end linksMaurice Lacroix-signed end links and clasp; ML markings present and crispUnsigned end links or clasp; aftermarket bracelet
caseCaseback screwsCaseback screws all at the same rotation angle; no evidence of non-factory openingRandomly oriented caseback screws; non-factory opening or reassembly
Common legitimate replacements
  • Rubber or steel bracelet; ML OEM to maintain signed end links.
  • Crystal; sapphire standard.
Expert resources: Maurice Lacroix Aikon product documentation; ML authorized service.

Authentication guide

Last reviewed June 2026

The Aikon Automatic 42mm runs the in-house ML115 caliber; the integrated bracelet with center-polished and brushed-outer links is the visual anchor and a key authentication check.

Known reproduction risks

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MEDIUM

The Aikon is a well-known mid-range sport watch; reproductions focus on the steel variant.

  • Bracelet link finishing: the center-polish to brushed-outer transition should be a clean, sharp demarcation.
  • ML115 caliber visible through the caseback should show in-house rotor and finishing, not a generic ETA base.
  • Dial printing quality at 10x magnification.

Dial variants by era

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EraDescriptionIdentifiers
2016 to presentBlack, blue, or silver sunray dial with applied baton indices; date at 3 o'clock; integrated bracelet with center-polished links.
  • AIKON text on dial
  • ML115 in-house caliber designation on caseback
  • Applied luminous baton indices
  • Date window at 3 o'clock

Service part flags

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Integrated bracelet

Original: Center-polished links, brushed outer links; folding clasp with push-button release; ML signed.

Replacement tells
  • Aftermarket bracelet with different link geometry or unsigned clasp.
  • Missing end links creating a gap at the case join.
Dial

Original: Applied baton indices with luminous fill; sunray dial finish.

Replacement tells
  • Printed indices instead of applied indicate a non-original or aftermarket dial.

Case back markings

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2016 to present
  • MAURICE LACROIX AIKON
  • ML115 caliber designation
  • SWISS MADE
  • Display caseback standard on many variants showing the in-house movement
  • 200M WATER RESISTANT

Movement tells

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  • The ML115 is Maurice Lacroix's first fully in-house automatic; the rotor should carry the ML signature.
  • ML manufacture finishing includes côtes de Genève on the bridges and perlage on the mainplate; visible through the display caseback.
  • An ETA 2824 movement in the Aikon body without ML branding indicates movement substitution.
  • The in-house rotor shape is distinctive; an ETA standard rotor shape indicates a swap.
Sources: Maurice Lacroix Aikon Automatic; Fratello — Aikon Automatic review.

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