Orient Bambino Open Heart vs Oris Big Crown Pointer Date
Orient's timepiece meets Oris's pilot watch
Quick Verdict
The Orient Bambino Open Heart ($250–$500) offers Orient In-House Automatic, hand-winding and hacking precision in the tier below the Oris Big Crown Pointer Date ($1,500–$2,500). The Bambino Open Heart measures 40.5mm and is rated 30m (3 ATM). The Big Crown Pointer Date counters with Swiss Made craftsmanship and 50m (5 ATM) water resistance. Both are exceptional watches for their respective tiers.
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Specifications Compared
| Feature | Orient Bambino Open Heart | Oris Big Crown Pointer Date |
|---|---|---|
| Price | $250–$500 | $1,500–$2,500 |
| Case Size | 40.5mm | 40mm |
| Movement | Automatic Caliber F6T22 | Automatic Oris 754 (Sellita Base) |
| Caliber Type | Orient In-House Automatic, hand-winding and hacking | Modified Sellita Automatic |
| Power Reserve | 40 Hours | 38 Hours |
| Water Resistance | 30m (3 ATM) | 50m (5 ATM) |
| Crystal | Domed Mineral Crystal | Sapphire (Domed, Inside AR Coating) |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Japanese Movement | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Orient's design language vs Oris's approach
The Orient Bambino Open Heart features a Stainless Steel case at 40.5mm with Domed Mineral Crystal protection. The Oris Big Crown Pointer Date offers Stainless Steel construction at 40mm with Sapphire (Domed, Inside AR Coating). Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Caliber F6T22 vs Automatic Oris 754 (Sellita Base)
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 Big Crown Pointer Date uses the Automatic Oris 754 (Sellita Base) (Modified Sellita Automatic, 38 Hours reserve) at 28,800 vph (4 Hz). The Bambino Open Heart edges ahead on power reserve.
Wearability & Fit
40.5mm vs 40mm — different wrist presence
At 40.5mm, the Bambino Open Heart has a bolder wrist presence compared to the Big Crown Pointer Date at 40mm. 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 Oris Big Crown Pointer Date 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 (Domed, Inside AR Coating) and 38 Hours on the Big Crown Pointer Date. 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 Big Crown Pointer Date handles 50m (5 ATM). The Big Crown Pointer Date 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 AmazonOris
Big Crown Pointer Date
Choose the Oris Big Crown Pointer Date if you value Modified Sellita Automatic technology, Swiss Made heritage, and 40mm proportions. At $1,500–$2,500, the Automatic Oris 754 (Sellita Base) with 38 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Orient Bambino Open Heart and Oris Big Crown Pointer Date represent two distinct approaches to fine watchmaking — the Orient bringing Japanese Movement tradition while Oris 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.

