Head-to-Head Comparison

Citizen Eco-Drive Weekender Garrison vs Orient Kamasu Automatic Diver

Citizen's field watch meets Orient's diver

Quick Verdict

The Citizen Eco-Drive Weekender Garrison ($100–$150) offers Eco-Drive Solar Quartz (No Battery Change) precision in the tier below the Orient Kamasu Automatic Diver ($250–$500). The Eco-Drive Weekender Garrison measures 37mm and is rated 100m (10 ATM). The Kamasu Automatic Diver counters with Made in Japan craftsmanship and 200m (20 ATM) water resistance. Both are exceptional watches for their respective tiers.

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Citizen Eco-Drive Weekender Garrison

Citizen

Eco-Drive Weekender Garrison

$100–$150

Orient Kamasu Automatic Diver

Orient

Kamasu Automatic Diver

$250–$500

Specifications Compared

FeatureCitizen Eco-Drive Weekender GarrisonOrient Kamasu Automatic Diver
Price$100–$150$250–$500
Case Size37mm41.8mm
MovementEco-Drive Caliber E101Automatic Caliber F6922
Caliber TypeEco-Drive Solar Quartz (No Battery Change)Orient In-House Automatic
Power Reserve6 Months (Solar, Full Charge)40 Hours
Water Resistance100m (10 ATM)200m (20 ATM)
CrystalMineral GlassSapphire Crystal
Case MaterialStainless SteelStainless Steel
OriginCitizen (Japan)Made in Japan

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

Citizen's design language vs Orient's approach

The Citizen Eco-Drive Weekender Garrison features a Stainless Steel case at 37mm with Mineral Glass protection. The Orient Kamasu Automatic Diver offers Stainless Steel construction at 41.8mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.

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Movement & Performance

Edge: Orient

Eco-Drive Caliber E101 vs Automatic Caliber F6922

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 Kamasu Automatic Diver uses the Automatic Caliber F6922 (Orient In-House Automatic, 40 Hours reserve) at 21,600 vph (3 Hz). The Kamasu Automatic Diver offers a longer power reserve.

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Wearability & Fit

Edge: Citizen

37mm vs 41.8mm — different wrist presence

At 37mm, the Eco-Drive Weekender Garrison wears more compactly on smaller wrists compared to the Kamasu Automatic Diver at 41.8mm. Water resistance differs: 100m (10 ATM) vs 200m (20 ATM).

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Value & Cost of Ownership

Edge: Citizen

Citizen sits in the lower tier

The Citizen Eco-Drive Weekender Garrison sits at $100–$150 and the Orient Kamasu Automatic Diver at $250–$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 40 Hours on the Kamasu Automatic Diver. Service intervals are typically 5-7 years for both.

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Water Resistance

Edge: Orient

100m (10 ATM) vs 200m (20 ATM)

The Eco-Drive Weekender Garrison is rated to 100m (10 ATM) while the Kamasu Automatic Diver handles 200m (20 ATM). The Kamasu Automatic Diver offers superior water resistance.

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.

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Orient

Kamasu Automatic Diver

Choose the Orient Kamasu Automatic Diver if you value Orient In-House Automatic technology, Made in Japan heritage, and 41.8mm proportions. At $250–$500, the Automatic Caliber F6922 with 40 Hours power reserve makes it a compelling choice.

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The Bottom Line

The Citizen Eco-Drive Weekender Garrison and Orient Kamasu Automatic Diver represent two distinct approaches to fine watchmaking — the Citizen bringing Citizen (Japan) tradition while Orient delivers Made in Japan engineering.

Frequently Asked Questions

Neither is objectively better — they serve different preferences. The Citizen Eco-Drive Weekender Garrison ($100–$150) offers Eco-Drive Caliber E101 with 6 Months (Solar, Full Charge) power reserve, while the Orient Kamasu Automatic Diver ($250–$500) features Automatic Caliber F6922 with 200m (20 ATM) water resistance. Choose based on your priorities: Citizen (Japan) craftsmanship vs Made in Japan engineering.
The Citizen Eco-Drive Weekender Garrison offers better upfront value, sitting a tier lower at $100–$150. However, the Orient Kamasu Automatic Diver may justify its premium with superior finishing, heritage, or resale value.
Both are suitable for daily wear. The Eco-Drive Weekender Garrison at 37mm with 100m (10 ATM) water resistance handles everyday situations. The Kamasu Automatic Diver at 41.8mm with 200m (20 ATM) is similarly capable. The Eco-Drive Weekender Garrison uses Mineral Glass while the Kamasu Automatic Diver uses Sapphire Crystal. Sapphire resists scratches noticeably better than mineral glass.

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.