Orient Bambino Open Heart vs Rado True Square Automatic
Two timepieces compared — $250–$500 vs $1,500–$2,500
Quick Verdict
The Orient Bambino Open Heart ($250–$500) offers Orient In-House Automatic, hand-winding and hacking precision in the tier below the Rado True Square Automatic ($1,500–$2,500). The Bambino Open Heart measures 40.5mm and is rated 30m (3 ATM). The True Square Automatic counters with Swiss Made craftsmanship and 50m (5 ATM) water resistance. Both are exceptional timepieces for their respective tiers.
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Specifications Compared
| Feature | Orient Bambino Open Heart | Rado True Square Automatic |
|---|---|---|
| Price | $250–$500 | $1,500–$2,500 |
| Case Size | 40.5mm | 38mm (Square) |
| Movement | Automatic Caliber F6T22 | Automatic ETA C07.611 |
| Caliber Type | Orient In-House Automatic, hand-winding and hacking | Powermatic 80 (ETA-Based) |
| Power Reserve | 40 Hours | 80 Hours |
| Water Resistance | 30m (3 ATM) | 50m (5 ATM) |
| Crystal | Domed Mineral Crystal | Sapphire (Anti-Reflective) |
| Case Material | Stainless Steel | Monobloc High-Tech Ceramic |
| Origin | Japanese Movement | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Orient's design language vs Rado's approach
The Orient Bambino Open Heart features a Stainless Steel case at 40.5mm with Domed Mineral Crystal protection. The Rado True Square Automatic offers Monobloc High-Tech Ceramic construction at 38mm (Square) with Sapphire (Anti-Reflective). Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Caliber F6T22 vs Automatic ETA C07.611
The Bambino Open Heart runs the Automatic Caliber F6T22 (Orient In-House Automatic, hand-winding and hacking, 40 Hours power reserve) at 21,600 vph (3 Hz) frequency. The True Square Automatic uses the Automatic ETA C07.611 (Powermatic 80 (ETA-Based), 80 Hours reserve) at 21,600 vph (3 Hz). The True Square Automatic offers a longer power reserve.
Wearability & Fit
40.5mm vs 38mm (Square) — different wrist presence
At 40.5mm, the Bambino Open Heart has a bolder wrist presence compared to the True Square Automatic at 38mm (Square). Water resistance differs: 30m (3 ATM) vs 50m (5 ATM).
Value & Cost of Ownership
Orient sits in the lower tier
The Orient Bambino Open Heart sits at $250–$500 and the Rado True Square Automatic at $1,500–$2,500. On the specs that outlast any price: the Bambino Open Heart uses Domed Mineral Crystal with 40 Hours, against Sapphire (Anti-Reflective) and 80 Hours on the True Square Automatic. Service intervals are typically 5-7 years for both.
Water Resistance
30m (3 ATM) vs 50m (5 ATM)
The Bambino Open Heart is rated to 30m (3 ATM) while the True Square Automatic handles 50m (5 ATM). The True Square Automatic offers superior water resistance.
Our Verdict
Orient
Bambino Open Heart
Choose the Orient Bambino Open Heart if you prioritize Orient In-House Automatic, hand-winding and hacking engineering, Japanese Movement craftsmanship, and 30m (3 ATM) water resistance. At $250–$500, it delivers Automatic Caliber F6T22 with 40 Hours power reserve.
Check Price on AmazonRado
True Square Automatic
Choose the Rado True Square Automatic if you value Powermatic 80 (ETA-Based) technology, Swiss Made heritage, and 38mm (Square) proportions. At $1,500–$2,500, the Automatic ETA C07.611 with 80 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Orient Bambino Open Heart and Rado True Square Automatic represent two distinct approaches to the timepiece category — the Orient bringing Japanese Movement tradition while Rado delivers Swiss Made 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.

