Citizen Eco-Drive Weekender Garrison vs Hamilton Khaki Aviation Pilot Auto
Citizen's field watch meets Hamilton's pilot 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 Hamilton Khaki Aviation Pilot Auto ($1,000–$1,500). The Eco-Drive Weekender Garrison measures 37mm and is rated 100m (10 ATM). The Khaki Aviation Pilot Auto counters with Swiss Made craftsmanship and 100m (10 ATM) water resistance. Both are exceptional watches for their respective tiers.
Transparency — We earn a small commission on purchases made through our Amazon links. This doesn't affect our editorial independence.
Specifications Compared
| Feature | Citizen Eco-Drive Weekender Garrison | Hamilton Khaki Aviation Pilot Auto |
|---|---|---|
| Price | $100–$150 | $1,000–$1,500 |
| Case Size | 37mm | 38mm |
| Movement | Eco-Drive Caliber E101 | Automatic H-10 (ETA 2824-2 base) |
| Caliber Type | Eco-Drive Solar Quartz (No Battery Change) | Hamilton/ETA Automatic |
| Power Reserve | 6 Months (Solar, Full Charge) | 80 Hours |
| Water Resistance | 100m (10 ATM) | 100m (10 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 Hamilton's approach
The Citizen Eco-Drive Weekender Garrison features a Stainless Steel case at 37mm with Mineral Glass protection. The Hamilton Khaki Aviation Pilot Auto offers Stainless Steel construction at 38mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Eco-Drive Caliber E101 vs Automatic H-10 (ETA 2824-2 base)
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 Khaki Aviation Pilot Auto uses the Automatic H-10 (ETA 2824-2 base) (Hamilton/ETA Automatic, 80 Hours reserve) at 21,600 vph (3 Hz). The Khaki Aviation Pilot Auto offers a longer power reserve.
Wearability & Fit
37mm vs 38mm — different wrist presence
At 37mm, the Eco-Drive Weekender Garrison wears more compactly on smaller wrists compared to the Khaki Aviation Pilot Auto at 38mm. Water resistance differs: 100m (10 ATM) vs 100m (10 ATM).
Value & Cost of Ownership
Citizen sits in the lower tier
The Citizen Eco-Drive Weekender Garrison sits at $100–$150 and the Hamilton Khaki Aviation Pilot Auto at $1,000–$1,500. 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 80 Hours on the Khaki Aviation Pilot Auto. Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 100m (10 ATM)
The Eco-Drive Weekender Garrison is rated to 100m (10 ATM) while the Khaki Aviation Pilot Auto handles 100m (10 ATM). Both offer identical water resistance ratings.
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 AmazonHamilton
Khaki Aviation Pilot Auto
Choose the Hamilton Khaki Aviation Pilot Auto if you value Hamilton/ETA Automatic technology, Swiss Made heritage, and 38mm proportions. At $1,000–$1,500, the Automatic H-10 (ETA 2824-2 base) with 80 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Citizen Eco-Drive Weekender Garrison and Hamilton Khaki Aviation Pilot Auto represent two distinct approaches to fine watchmaking — the Citizen bringing Citizen (Japan) tradition while Hamilton delivers Swiss Made engineering.
Frequently Asked Questions
More Comparisons
Tag Heuer Carrera Chronograph vs Citizen Eco-Drive Weekender Garrison
Tag Heuer's chronograph meets Citizen's field watch
Tag Heuer Carrera Chronograph vs Hamilton Khaki Aviation Pilot Auto
Tag Heuer's chronograph meets Hamilton's pilot watch
Tissot PRX Powermatic 80 vs Citizen Eco-Drive Weekender Garrison
Tissot's timepiece meets Citizen's field watch
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.