Head-to-Head Comparison

Maurice Lacroix Aikon Automatic vs Orient Bambino Open Heart

Maurice Lacroix's diver meets Orient's timepiece

Quick Verdict

The Orient Bambino Open Heart ($250–$500) delivers Orient In-House Automatic, hand-winding and hacking technology in the tier below the Maurice Lacroix Aikon Automatic ($1,500–$2,500). The Bambino Open Heart measures 40.5mm and is rated 30m (3 ATM). The Aikon Automatic justifies its premium with Swiss Made heritage and Automatic ML115. Both represent excellent choices in the luxury watch category.

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Maurice Lacroix Aikon Automatic

Maurice Lacroix

Aikon Automatic

$1,500–$2,500

Orient Bambino Open Heart

Orient

Bambino Open Heart

$250–$500

Specifications Compared

FeatureMaurice Lacroix Aikon AutomaticOrient Bambino Open Heart
Price$1,500–$2,500$250–$500
Case Size42mm40.5mm
MovementAutomatic ML115Automatic Caliber F6T22
Caliber TypeAutomatic (Sellita SW200-1 base)Orient In-House Automatic, hand-winding and hacking
Power Reserve38 Hours40 Hours
Water Resistance200m (20 ATM)30m (3 ATM)
CrystalSapphire CrystalDomed Mineral Crystal
Case MaterialStainless SteelStainless Steel
OriginSwiss MadeJapanese Movement

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

Maurice Lacroix's design language vs Orient's approach

The Maurice Lacroix Aikon Automatic features a Stainless Steel case at 42mm with Sapphire Crystal protection. The Orient Bambino Open Heart offers Stainless Steel construction at 40.5mm with Domed Mineral Crystal. Both represent their brand's distinct design philosophy and heritage.

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Movement & Performance

Edge: Orient

Automatic ML115 vs Automatic Caliber F6T22

The Aikon Automatic runs the Automatic ML115 (Automatic (Sellita SW200-1 base), 38 Hours power reserve) at 28,800 vph (4 Hz) frequency. The Bambino Open Heart uses the Automatic Caliber F6T22 (Orient In-House Automatic, hand-winding and hacking, 40 Hours reserve) at 21,600 vph (3 Hz). The Bambino Open Heart offers a longer power reserve.

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Wearability & Fit

Edge: Orient

42mm vs 40.5mm — different wrist presence

At 42mm, the Aikon Automatic has a bolder wrist presence compared to the Bambino Open Heart at 40.5mm. Water resistance differs: 200m (20 ATM) vs 30m (3 ATM).

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Value & Cost of Ownership

Edge: Orient

Orient sits in the lower tier

The Maurice Lacroix Aikon Automatic sits at $1,500–$2,500 and the Orient Bambino Open Heart at $250–$500. On the specs that outlast any price: the Aikon Automatic uses Sapphire Crystal with 38 Hours, against Domed Mineral Crystal and 40 Hours on the Bambino Open Heart. Service intervals are typically 5-7 years for both.

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Water Resistance

Edge: Maurice Lacroix

200m (20 ATM) vs 30m (3 ATM)

The Aikon Automatic is rated to 200m (20 ATM) while the Bambino Open Heart handles 30m (3 ATM). The Aikon Automatic is better suited for water activities.

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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Orient

Bambino Open Heart

Choose the Orient Bambino Open Heart if you value Orient In-House Automatic, hand-winding and hacking technology, Japanese Movement heritage, and 40.5mm proportions. At $250–$500, the Automatic Caliber F6T22 with 40 Hours power reserve makes it a compelling choice.

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The Bottom Line

The Maurice Lacroix Aikon Automatic and Orient Bambino Open Heart represent two distinct approaches to fine watchmaking — the Maurice Lacroix bringing Swiss Made tradition while Orient delivers Japanese Movement 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 Orient Bambino Open Heart ($250–$500) features Automatic Caliber F6T22 with 30m (3 ATM) water resistance. Choose based on your priorities: Swiss Made craftsmanship vs Japanese Movement engineering.
The Orient Bambino Open Heart offers better upfront value, sitting a tier lower at $250–$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 Bambino Open Heart at 40.5mm with 30m (3 ATM) is similarly capable. The Aikon Automatic uses Sapphire Crystal while the Bambino Open Heart uses Domed Mineral Crystal. Sapphire resists scratches noticeably better than mineral glass.

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.