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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Specifications Compared
| Feature | Maurice Lacroix Aikon Automatic | Orient Bambino Open Heart |
|---|---|---|
| Price | $1,500–$2,500 | $250–$500 |
| Case Size | 42mm | 40.5mm |
| Movement | Automatic ML115 | Automatic Caliber F6T22 |
| Caliber Type | Automatic (Sellita SW200-1 base) | Orient In-House Automatic, hand-winding and hacking |
| Power Reserve | 38 Hours | 40 Hours |
| Water Resistance | 200m (20 ATM) | 30m (3 ATM) |
| Crystal | Sapphire Crystal | Domed Mineral Crystal |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Swiss Made | Japanese Movement |
Category-by-Category Analysis
Design & Aesthetics
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.
Movement & Performance
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.
Wearability & Fit
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).
Value & Cost of Ownership
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.
Water Resistance
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.
Check Price on AmazonOrient
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.
Check Price on AmazonThe 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
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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.

