Citizen Eco-Drive Weekender Garrison vs Frederique Constant Slimline Moonphase Manufacture
Citizen's field watch meets Frederique Constant's dress watch
Quick Verdict
The Citizen Eco-Drive Weekender Garrison ($100–$150) offers Eco-Drive Solar Quartz (No Battery Change) precision in the tier below the Frederique Constant Slimline Moonphase Manufacture ($2,500–$5,000). The Eco-Drive Weekender Garrison measures 37mm and is rated 100m (10 ATM). The Slimline Moonphase Manufacture counters with Swiss Made craftsmanship and 30m (3 ATM) water resistance. Both are exceptional watches for their respective tiers.
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Specifications Compared
| Feature | Citizen Eco-Drive Weekender Garrison | Frederique Constant Slimline Moonphase Manufacture |
|---|---|---|
| Price | $100–$150 | $2,500–$5,000 |
| Case Size | 37mm | 42mm |
| Movement | Eco-Drive Caliber E101 | Automatic FC-705 (In-House) |
| Caliber Type | Eco-Drive Solar Quartz (No Battery Change) | In-House Automatic Manufacture |
| Power Reserve | 6 Months (Solar, Full Charge) | 42 Hours |
| Water Resistance | 100m (10 ATM) | 30m (3 ATM) |
| Crystal | Mineral Glass | Convex Sapphire |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Citizen (Japan) | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Citizen's design language vs Frederique Constant's approach
The Citizen Eco-Drive Weekender Garrison features a Stainless Steel case at 37mm with Mineral Glass protection. The Frederique Constant Slimline Moonphase Manufacture offers Stainless Steel construction at 42mm with Convex Sapphire. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Eco-Drive Caliber E101 vs Automatic FC-705 (In-House)
The Eco-Drive Weekender Garrison runs the Eco-Drive Caliber E101 (Eco-Drive Solar Quartz (No Battery Change), 6 Months (Solar, Full Charge) power reserve) at standard frequency. The Slimline Moonphase Manufacture uses the Automatic FC-705 (In-House) (In-House Automatic Manufacture, 42 Hours reserve) at 28,800 vph (4 Hz). The Slimline Moonphase Manufacture offers a longer power reserve.
Wearability & Fit
37mm vs 42mm — different wrist presence
At 37mm, the Eco-Drive Weekender Garrison wears more compactly on smaller wrists compared to the Slimline Moonphase Manufacture at 42mm. Water resistance differs: 100m (10 ATM) vs 30m (3 ATM).
Value & Cost of Ownership
Citizen sits in the lower tier
The Citizen Eco-Drive Weekender Garrison sits at $100–$150 and the Frederique Constant Slimline Moonphase Manufacture at $2,500–$5,000. On the specs that outlast any price: the Eco-Drive Weekender Garrison uses Mineral Glass with 6 Months (Solar, Full Charge), against Convex Sapphire and 42 Hours on the Slimline Moonphase Manufacture. Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 30m (3 ATM)
The Eco-Drive Weekender Garrison is rated to 100m (10 ATM) while the Slimline Moonphase Manufacture handles 30m (3 ATM). The Eco-Drive Weekender Garrison is better suited for water activities.
Our Verdict
Citizen
Eco-Drive Weekender Garrison
Choose the Citizen Eco-Drive Weekender Garrison if you prioritize Eco-Drive Solar Quartz (No Battery Change) engineering, Citizen (Japan) craftsmanship, and 100m (10 ATM) water resistance. At $100–$150, it delivers Eco-Drive Caliber E101 with 6 Months (Solar, Full Charge) power reserve.
Check Price on AmazonFrederique Constant
Slimline Moonphase Manufacture
Choose the Frederique Constant Slimline Moonphase Manufacture if you value In-House Automatic Manufacture technology, Swiss Made heritage, and 42mm proportions. At $2,500–$5,000, the Automatic FC-705 (In-House) with 42 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Citizen Eco-Drive Weekender Garrison and Frederique Constant Slimline Moonphase Manufacture represent two distinct approaches to fine watchmaking — the Citizen bringing Citizen (Japan) tradition while Frederique Constant 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.

