Breitling Navitimer B01 vs Citizen Promaster Sea Eco-Drive Diver
Breitling's chronograph meets Citizen's diver
Quick Verdict
The Citizen Promaster Sea Eco-Drive Diver ($250–$500) delivers Citizen Eco-Drive (Solar Quartz) technology in the tier below the Breitling Navitimer B01 ($10,000–$25,000). The Promaster Sea Eco-Drive Diver measures 44mm and is rated 200m (20 ATM) ISO 6425. The Navitimer B01 justifies its premium with Swiss Made heritage and Automatic Breitling 01 (Manufacture). Both represent excellent choices in the luxury watch category.
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Specifications Compared
| Feature | Breitling Navitimer B01 | Citizen Promaster Sea Eco-Drive Diver |
|---|---|---|
| Price | $10,000–$25,000 | $250–$500 |
| Case Size | 43mm | 44mm |
| Movement | Automatic Breitling 01 (Manufacture) | Eco-Drive Caliber E168 |
| Caliber Type | In-House Automatic Chronograph Manufacture | Citizen Eco-Drive (Solar Quartz) |
| Power Reserve | 70 Hours | — |
| Water Resistance | 30m (3 ATM) | 200m (20 ATM) ISO 6425 |
| Crystal | Cambered Sapphire | Mineral Crystal |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Swiss Made | Made in Japan |
Category-by-Category Analysis
Design & Aesthetics
Breitling's design language vs Citizen's approach
The Breitling Navitimer B01 features a Stainless Steel case at 43mm with Cambered Sapphire protection. The Citizen Promaster Sea Eco-Drive Diver offers Stainless Steel construction at 44mm with Mineral Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Breitling 01 (Manufacture) vs Eco-Drive Caliber E168
The Navitimer B01 runs the Automatic Breitling 01 (Manufacture) (In-House Automatic Chronograph Manufacture, 70 Hours power reserve) at 28,800 vph (4 Hz) frequency. The Promaster Sea Eco-Drive Diver uses the Eco-Drive Caliber E168 (Citizen Eco-Drive (Solar Quartz), standard reserve) at standard. The Navitimer B01 edges ahead on power reserve.
Wearability & Fit
43mm vs 44mm — different wrist presence
At 43mm, the Navitimer B01 wears more compactly on smaller wrists compared to the Promaster Sea Eco-Drive Diver at 44mm. Water resistance differs: 30m (3 ATM) vs 200m (20 ATM) ISO 6425.
Value & Cost of Ownership
Citizen sits in the lower tier
The Breitling Navitimer B01 sits at $10,000–$25,000 and the Citizen Promaster Sea Eco-Drive Diver at $250–$500. On the specs that outlast any price: the Navitimer B01 uses Cambered Sapphire with 70 Hours, against Mineral Crystal and a standard reserve on the Promaster Sea Eco-Drive Diver. Service intervals are typically 5-7 years for both.
Water Resistance
30m (3 ATM) vs 200m (20 ATM) ISO 6425
The Navitimer B01 is rated to 30m (3 ATM) while the Promaster Sea Eco-Drive Diver handles 200m (20 ATM) ISO 6425. The Promaster Sea Eco-Drive Diver offers superior water resistance.
Our Verdict
Breitling
Navitimer B01
Choose the Breitling Navitimer B01 if you prioritize In-House Automatic Chronograph Manufacture engineering, Swiss Made craftsmanship, and 30m (3 ATM) water resistance. At $10,000–$25,000, it delivers Automatic Breitling 01 (Manufacture) with 70 Hours power reserve.
Check Price on AmazonCitizen
Promaster Sea Eco-Drive Diver
Choose the Citizen Promaster Sea Eco-Drive Diver if you value Citizen Eco-Drive (Solar Quartz) technology, Made in Japan heritage, and 44mm proportions. At $250–$500, the Eco-Drive Caliber E168 with ample power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Breitling Navitimer B01 and Citizen Promaster Sea Eco-Drive Diver represent two distinct approaches to fine watchmaking — the Breitling bringing Swiss Made tradition while Citizen delivers Made in Japan 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.

