Citizen Eco-Drive Weekender Avion Field vs Orient Bambino Open Heart
Citizen's field watch meets Orient's timepiece
Quick Verdict
The Citizen Eco-Drive Weekender Avion Field ($250–$500) and Orient Bambino Open Heart ($250–$500) are closely matched timepieces at similar price points. The Eco-Drive Weekender Avion Field emphasizes Citizen Eco-Drive Solar Quartz engineering while the Bambino Open Heart focuses on Japanese Movement craftsmanship.
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Specifications Compared
| Feature | Citizen Eco-Drive Weekender Avion Field | Orient Bambino Open Heart |
|---|---|---|
| Price | $250–$500 | $250–$500 |
| Case Size | 43mm | 40.5mm |
| Movement | Eco-Drive Solar | Automatic Caliber F6T22 |
| Caliber Type | Citizen Eco-Drive Solar Quartz | Orient In-House Automatic, hand-winding and hacking |
| Power Reserve | — | 40 Hours |
| Water Resistance | 100m (10 ATM) | 30m (3 ATM) |
| Crystal | Spherical Mineral Crystal | Domed Mineral Crystal |
| Case Material | Black Ion-Plated Stainless Steel | Stainless Steel |
| Origin | Japanese Movement | Japanese Movement |
Category-by-Category Analysis
Design & Aesthetics
Citizen's design language vs Orient's approach
The Citizen Eco-Drive Weekender Avion Field features a Black Ion-Plated Stainless Steel case at 43mm with Spherical Mineral 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
Eco-Drive Solar vs Automatic Caliber F6T22
The Eco-Drive Weekender Avion Field runs the Eco-Drive Solar (Citizen Eco-Drive Solar Quartz, standard power reserve) at standard 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
43mm vs 40.5mm — different wrist presence
At 43mm, the Eco-Drive Weekender Avion Field has a bolder wrist presence compared to the Bambino Open Heart at 40.5mm. Water resistance differs: 100m (10 ATM) vs 30m (3 ATM).
Value & Cost of Ownership
Same tier — different value propositions
The Citizen Eco-Drive Weekender Avion Field sits at $250–$500 and the Orient Bambino Open Heart at $250–$500. On the specs that outlast any price: the Eco-Drive Weekender Avion Field uses Spherical Mineral Crystal with a standard reserve, against Domed Mineral Crystal and 40 Hours on the Bambino Open Heart. Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 30m (3 ATM)
The Eco-Drive Weekender Avion Field is rated to 100m (10 ATM) while the Bambino Open Heart handles 30m (3 ATM). The Eco-Drive Weekender Avion Field is better suited for water activities.
Our Verdict
Citizen
Eco-Drive Weekender Avion Field
Choose the Citizen Eco-Drive Weekender Avion Field if you prioritize Citizen Eco-Drive Solar Quartz engineering, Japanese Movement craftsmanship, and 100m (10 ATM) water resistance. At $250–$500, it delivers Eco-Drive Solar with solid 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 Citizen Eco-Drive Weekender Avion Field and Orient Bambino Open Heart represent two distinct approaches to fine watchmaking — the Citizen bringing Japanese Movement 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.

