Head-to-Head Comparison

Updated September 5, 2026

Frederique Constant Highlife Automatic COSC vs Orient Bambino Open Heart

Two timepieces compared — $1,500–$2,500 vs $250–$500

Quick Verdict

The Orient Bambino Open Heart ($250–$500) delivers Orient In-House Automatic, hand-winding and hacking technology in the tier below the Frederique Constant Highlife Automatic COSC ($1,500–$2,500). The Bambino Open Heart measures 40.5mm and is rated 30m (3 ATM). The Highlife Automatic COSC justifies its premium with Swiss Made heritage and Automatic FC-303 (COSC). Both represent excellent choices in the timepiece category.

Frederique ConstantHighlife Automatic COSC$1,500–$2,500 Check price View the dossier

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Frederique Constant

Highlife Automatic COSC

$1,500–$2,500

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Orient

Bambino Open Heart

$250–$500

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Specifications Compared

Feature	Frederique Constant Highlife Automatic COSC	Orient Bambino Open Heart
Price	$1,500–$2,500	$250–$500
Case Size	39mm	40.5mm
Movement	Automatic FC-303 (COSC)	Automatic Caliber F6T22
Caliber Type	COSC-Certified Automatic	Orient In-House Automatic, hand-winding and hacking
Power Reserve	38 Hours	40 Hours
Water Resistance	100m (10 ATM)	30m (3 ATM)
Crystal	Convex Sapphire	Domed Mineral Crystal
Case Material	Stainless Steel	Stainless Steel
Origin	Swiss Made	Japanese Movement

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

Frederique Constant's design language vs Orient's approach

The Frederique Constant Highlife Automatic COSC features a Stainless Steel case at 39mm with Convex Sapphire 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 FC-303 (COSC) vs Automatic Caliber F6T22

The Highlife Automatic COSC runs the Automatic FC-303 (COSC) (COSC-Certified Automatic, 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: Frederique Constant

39mm vs 40.5mm — different wrist presence

At 39mm, the Highlife Automatic COSC wears more compactly on smaller wrists compared to the Bambino Open Heart at 40.5mm. Water resistance differs: 100m (10 ATM) vs 30m (3 ATM).

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Value & Cost of Ownership

Edge: Orient

Orient sits in the lower tier

The Frederique Constant Highlife Automatic COSC sits at $1,500–$2,500 and the Orient Bambino Open Heart at $250–$500. On the specs that outlast any price: the Highlife Automatic COSC uses Convex Sapphire 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: Frederique Constant

100m (10 ATM) vs 30m (3 ATM)

The Highlife Automatic COSC is rated to 100m (10 ATM) while the Bambino Open Heart handles 30m (3 ATM). The Highlife Automatic COSC is better suited for water activities.

Our Verdict

Frederique Constant

Highlife Automatic COSC

Choose the Frederique Constant Highlife Automatic COSC if you prioritize COSC-Certified Automatic engineering, Swiss Made craftsmanship, and 100m (10 ATM) water resistance. At $1,500–$2,500, it delivers Automatic FC-303 (COSC) 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 Frederique Constant Highlife Automatic COSC and Orient Bambino Open Heart represent two distinct approaches to the timepiece category — the Frederique Constant bringing Swiss Made tradition while Orient delivers Japanese Movement engineering.

Frequently Asked Questions

For water, the Frederique Constant Highlife Automatic COSC is rated 100 m against 30 m, which is the difference between swimming and diving on one side and splashes on the other. On price, the Orient Bambino Open Heart sits a band lower ($250–$500 against $1,500–$2,500), so it is the cheaper way into the category. Neither is better at everything; the spec table above shows movement, case size, water resistance and crystal side by side so you can weigh what matters to you. We do not test units, so this is the makers' data, not a bench result.

The Orient Bambino Open Heart offers better upfront value, sitting a tier lower at $250–$500. However, the Frederique Constant Highlife Automatic COSC may justify its premium with superior finishing, heritage, or resale value.

Both are suitable for daily wear. The Highlife Automatic COSC at 39mm with 100m (10 ATM) water resistance handles everyday situations. The Bambino Open Heart at 40.5mm with 30m (3 ATM) is similarly capable. The Highlife Automatic COSC uses Convex Sapphire while the Bambino Open Heart uses Domed Mineral Crystal. Sapphire resists scratches noticeably better than mineral glass.

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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.