Bulova Lunar Pilot Chronograph vs Orient Bambino Open Heart
Bulova's chronograph 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 Bulova Lunar Pilot Chronograph ($500–$1,000). The Bambino Open Heart measures 40.5mm and is rated 30m (3 ATM). The Lunar Pilot Chronograph justifies its premium with Made in Japan (Citizen Group) heritage and High-Performance 262kHz Quartz. Both represent excellent choices in the luxury watch category.
Transparency — We earn a small commission on purchases made through our Amazon links. This doesn't affect our editorial independence.
Specifications Compared
| Feature | Bulova Lunar Pilot Chronograph | Orient Bambino Open Heart |
|---|---|---|
| Price | $500–$1,000 | $250–$500 |
| Case Size | 45mm | 40.5mm |
| Movement | High-Performance 262kHz Quartz | Automatic Caliber F6T22 |
| Caliber Type | High-Performance Quartz | Orient In-House Automatic, hand-winding and hacking |
| Power Reserve | N/A (Quartz) | 40 Hours |
| Water Resistance | 50m (5 ATM) | 30m (3 ATM) |
| Crystal | Sapphire Crystal | Domed Mineral Crystal |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Made in Japan (Citizen Group) | Japanese Movement |
Category-by-Category Analysis
Design & Aesthetics
Bulova's design language vs Orient's approach
The Bulova Lunar Pilot Chronograph features a Stainless Steel case at 45mm 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
High-Performance 262kHz Quartz vs Automatic Caliber F6T22
The Lunar Pilot Chronograph runs the High-Performance 262kHz Quartz (High-Performance Quartz, N/A (Quartz) power reserve) at 262,144 Hz (High-Frequency Quartz) 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
45mm vs 40.5mm — different wrist presence
At 45mm, the Lunar Pilot Chronograph has a bolder wrist presence compared to the Bambino Open Heart at 40.5mm. Water resistance differs: 50m (5 ATM) vs 30m (3 ATM).
Value & Cost of Ownership
Orient sits in the lower tier
The Bulova Lunar Pilot Chronograph sits at $500–$1,000 and the Orient Bambino Open Heart at $250–$500. On the specs that outlast any price: the Lunar Pilot Chronograph uses Sapphire Crystal with N/A (Quartz), against Domed Mineral Crystal and 40 Hours on the Bambino Open Heart. Service intervals are typically 5-7 years for both.
Water Resistance
50m (5 ATM) vs 30m (3 ATM)
The Lunar Pilot Chronograph is rated to 50m (5 ATM) while the Bambino Open Heart handles 30m (3 ATM). The Lunar Pilot Chronograph is better suited for water activities.
Our Verdict
Bulova
Lunar Pilot Chronograph
Choose the Bulova Lunar Pilot Chronograph if you prioritize High-Performance Quartz engineering, Made in Japan (Citizen Group) craftsmanship, and 50m (5 ATM) water resistance. At $500–$1,000, it delivers High-Performance 262kHz Quartz with N/A (Quartz) 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 Bulova Lunar Pilot Chronograph and Orient Bambino Open Heart represent two distinct approaches to fine watchmaking — the Bulova bringing Made in Japan (Citizen Group) tradition while Orient delivers Japanese Movement engineering.
Frequently Asked Questions
More Comparisons
Bulova Lunar Pilot vs Hamilton Intra-Matic Chrono
Moon-worn quartz precision meets Swiss automatic heritage
Tag Heuer Carrera Chronograph vs Bulova Lunar Pilot Chronograph
Two chronographs compared — $2,500–$5,000 vs $500–$1,000
Tag Heuer Carrera Chronograph vs Orient Bambino Open Heart
Tag Heuer's chronograph meets Orient's timepiece
Explore These Watches
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.