Citizen Eco-Drive Weekender Chronograph vs Longines HydroConquest Automatic
Citizen's chronograph meets Longines's diver
Quick Verdict
The Citizen Eco-Drive Weekender Chronograph ($150–$250) offers Citizen Eco-Drive Solar Quartz precision in the tier below the Longines HydroConquest Automatic ($1,500–$2,500). The Eco-Drive Weekender Chronograph measures 43mm and is rated 100m (10 ATM). The HydroConquest Automatic counters with Swiss Made craftsmanship and 300m (30 ATM) water resistance. Both are exceptional watches for their respective tiers.
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Specifications Compared
| Feature | Citizen Eco-Drive Weekender Chronograph | Longines HydroConquest Automatic |
|---|---|---|
| Price | $150–$250 | $1,500–$2,500 |
| Case Size | 43mm | 41mm |
| Movement | Eco-Drive Caliber H500 | Automatic L888.5 |
| Caliber Type | Citizen Eco-Drive Solar Quartz | ETA-Based Automatic with Silicon Balance Spring |
| Power Reserve | — | 72 Hours |
| Water Resistance | 100m (10 ATM) | 300m (30 ATM) |
| Crystal | Mineral Crystal | Sapphire with Anti-Reflective Coating |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Japanese Movement | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Citizen's design language vs Longines's approach
The Citizen Eco-Drive Weekender Chronograph features a Stainless Steel case at 43mm with Mineral Crystal protection. The Longines HydroConquest Automatic offers Stainless Steel construction at 41mm with Sapphire with Anti-Reflective Coating. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Eco-Drive Caliber H500 vs Automatic L888.5
The Eco-Drive Weekender Chronograph runs the Eco-Drive Caliber H500 (Citizen Eco-Drive Solar Quartz, standard power reserve) at standard frequency. The HydroConquest Automatic uses the Automatic L888.5 (ETA-Based Automatic with Silicon Balance Spring, 72 Hours reserve) at 25,200 vph (3.5 Hz). The HydroConquest Automatic offers a longer power reserve.
Wearability & Fit
43mm vs 41mm — different wrist presence
At 43mm, the Eco-Drive Weekender Chronograph has a bolder wrist presence compared to the HydroConquest Automatic at 41mm. Water resistance differs: 100m (10 ATM) vs 300m (30 ATM).
Value & Cost of Ownership
Citizen sits in the lower tier
The Citizen Eco-Drive Weekender Chronograph sits at $150–$250 and the Longines HydroConquest Automatic at $1,500–$2,500. On the specs that outlast any price: the Eco-Drive Weekender Chronograph uses Mineral Crystal with a standard reserve, against Sapphire with Anti-Reflective Coating and 72 Hours on the HydroConquest Automatic. Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 300m (30 ATM)
The Eco-Drive Weekender Chronograph is rated to 100m (10 ATM) while the HydroConquest Automatic handles 300m (30 ATM). The HydroConquest Automatic offers superior water resistance.
Our Verdict
Citizen
Eco-Drive Weekender Chronograph
Choose the Citizen Eco-Drive Weekender Chronograph if you prioritize Citizen Eco-Drive Solar Quartz engineering, Japanese Movement craftsmanship, and 100m (10 ATM) water resistance. At $150–$250, it delivers Eco-Drive Caliber H500 with solid power reserve.
Check Price on AmazonLongines
HydroConquest Automatic
Choose the Longines HydroConquest Automatic if you value ETA-Based Automatic with Silicon Balance Spring technology, Swiss Made heritage, and 41mm proportions. At $1,500–$2,500, the Automatic L888.5 with 72 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Citizen Eco-Drive Weekender Chronograph and Longines HydroConquest Automatic represent two distinct approaches to fine watchmaking — the Citizen bringing Japanese Movement 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.

