Omega Speedmaster Professional vs Citizen Eco-Drive Weekender Garrison
Omega's chronograph meets Citizen's field watch
Quick Verdict
The Citizen Eco-Drive Weekender Garrison ($100–$150) delivers Eco-Drive Solar Quartz (No Battery Change) technology in the tier below the Omega Speedmaster Professional ($5,000–$10,000). The Eco-Drive Weekender Garrison measures 37mm and is rated 100m (10 ATM). The Speedmaster Professional justifies its premium with Swiss Made heritage and Manual-Winding Caliber 3861. Both represent excellent choices in the luxury watch category.
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Specifications Compared
| Feature | Omega Speedmaster Professional | Citizen Eco-Drive Weekender Garrison |
|---|---|---|
| Price | $5,000–$10,000 | $100–$150 |
| Case Size | 42mm | 37mm |
| Movement | Manual-Winding Caliber 3861 | Eco-Drive Caliber E101 |
| Caliber Type | In-House Manual-Winding Manufacture (Co-Axial) | Eco-Drive Solar Quartz (No Battery Change) |
| Power Reserve | 50 Hours | 6 Months (Solar, Full Charge) |
| Water Resistance | 50m (5 ATM) | 100m (10 ATM) |
| Crystal | Hesalite or Sapphire | Mineral Glass |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Swiss Made | Citizen (Japan) |
Category-by-Category Analysis
Design & Aesthetics
Omega's design language vs Citizen's approach
The Omega Speedmaster Professional features a Stainless Steel case at 42mm with Hesalite or Sapphire protection. The Citizen Eco-Drive Weekender Garrison offers Stainless Steel construction at 37mm with Mineral Glass. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Manual-Winding Caliber 3861 vs Eco-Drive Caliber E101
The Speedmaster Professional runs the Manual-Winding Caliber 3861 (In-House Manual-Winding Manufacture (Co-Axial), 50 Hours power reserve) at 21,600 vph (3 Hz) frequency. The Eco-Drive Weekender Garrison uses the Eco-Drive Caliber E101 (Eco-Drive Solar Quartz (No Battery Change), 6 Months (Solar, Full Charge) reserve) at standard. The Speedmaster Professional edges ahead on power reserve.
Wearability & Fit
42mm vs 37mm — different wrist presence
At 42mm, the Speedmaster Professional has a bolder wrist presence compared to the Eco-Drive Weekender Garrison at 37mm. Water resistance differs: 50m (5 ATM) vs 100m (10 ATM).
Value & Cost of Ownership
Citizen sits in the lower tier
The Omega Speedmaster Professional sits at $5,000–$10,000 and the Citizen Eco-Drive Weekender Garrison at $100–$150. On the specs that outlast any price: the Speedmaster Professional uses Hesalite or Sapphire with 50 Hours, against Mineral Glass and 6 Months (Solar, Full Charge) on the Eco-Drive Weekender Garrison. Service intervals are typically 5-7 years for both.
Water Resistance
50m (5 ATM) vs 100m (10 ATM)
The Speedmaster Professional is rated to 50m (5 ATM) while the Eco-Drive Weekender Garrison handles 100m (10 ATM). The Eco-Drive Weekender Garrison offers superior water resistance.
Our Verdict
Omega
Speedmaster Professional
Choose the Omega Speedmaster Professional if you prioritize In-House Manual-Winding Manufacture (Co-Axial) engineering, Swiss Made craftsmanship, and 50m (5 ATM) water resistance. At $5,000–$10,000, it delivers Manual-Winding Caliber 3861 with 50 Hours power reserve.
Check Price on AmazonCitizen
Eco-Drive Weekender Garrison
Choose the Citizen Eco-Drive Weekender Garrison if you value Eco-Drive Solar Quartz (No Battery Change) technology, Citizen (Japan) heritage, and 37mm proportions. At $100–$150, the Eco-Drive Caliber E101 with 6 Months (Solar, Full Charge) power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Omega Speedmaster Professional and Citizen Eco-Drive Weekender Garrison represent two distinct approaches to fine watchmaking — the Omega bringing Swiss Made tradition while Citizen delivers Citizen (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.

