Citizen Eco-Drive Weekender Garrison vs Longines Master Collection Moonphase
Citizen's field watch meets Longines'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 Longines Master Collection Moonphase ($2,500–$5,000). The Eco-Drive Weekender Garrison measures 37mm and is rated 100m (10 ATM). The Master Collection Moonphase 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 | Longines Master Collection Moonphase |
|---|---|---|
| Price | $100–$150 | $2,500–$5,000 |
| Case Size | 37mm | 40mm |
| Movement | Eco-Drive Caliber E101 | Automatic Caliber L899 |
| Caliber Type | Eco-Drive Solar Quartz (No Battery Change) | Automatic (ETA A31.L91 base) |
| Power Reserve | 6 Months (Solar, Full Charge) | 72 Hours |
| Water Resistance | 100m (10 ATM) | 30m (3 ATM) |
| Crystal | Mineral Glass | Sapphire Crystal |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Citizen (Japan) | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Citizen's design language vs Longines's approach
The Citizen Eco-Drive Weekender Garrison features a Stainless Steel case at 37mm with Mineral Glass protection. The Longines Master Collection Moonphase offers Stainless Steel construction at 40mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Eco-Drive Caliber E101 vs Automatic Caliber L899
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 Master Collection Moonphase uses the Automatic Caliber L899 (Automatic (ETA A31.L91 base), 72 Hours reserve) at 25,200 vph (3.5 Hz). The Master Collection Moonphase offers a longer power reserve.
Wearability & Fit
37mm vs 40mm — different wrist presence
At 37mm, the Eco-Drive Weekender Garrison wears more compactly on smaller wrists compared to the Master Collection Moonphase at 40mm. 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 Longines Master Collection Moonphase 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 Sapphire Crystal and 72 Hours on the Master Collection Moonphase. 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 Master Collection Moonphase 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 AmazonLongines
Master Collection Moonphase
Choose the Longines Master Collection Moonphase if you value Automatic (ETA A31.L91 base) technology, Swiss Made heritage, and 40mm proportions. At $2,500–$5,000, the Automatic Caliber L899 with 72 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Citizen Eco-Drive Weekender Garrison and Longines Master Collection Moonphase represent two distinct approaches to fine watchmaking — the Citizen bringing Citizen (Japan) tradition while Longines 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.

