Head-to-Head Comparison

Citizen Tsuyosa Automatic (Green Dial) vs Zenith Chronomaster El Primero

Citizen's timepiece meets Zenith's chronograph

Quick Verdict

The Citizen Tsuyosa Automatic (Green Dial) ($250–$500) offers Citizen/Miyota In-House Automatic precision in the tier below the Zenith Chronomaster El Primero ($5,000–$10,000). The Tsuyosa Automatic (Green Dial) measures 40mm and is rated 50m (5 ATM). The Chronomaster El Primero counters with Swiss Made craftsmanship and 50m (5 ATM) water resistance. Both are exceptional watches for their respective tiers.

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Citizen Tsuyosa Automatic (Green Dial)

Citizen

Tsuyosa Automatic (Green Dial)

$250–$500

Zenith Chronomaster El Primero

Zenith

Chronomaster El Primero

$5,000–$10,000

Specifications Compared

FeatureCitizen Tsuyosa Automatic (Green Dial)Zenith Chronomaster El Primero
Price$250–$500$5,000–$10,000
Case Size40mm38mm
MovementAutomatic Caliber 8210Automatic El Primero 3600 (5Hz)
Caliber TypeCitizen/Miyota In-House AutomaticIn-House Automatic Chronograph Manufacture
Power Reserve40 Hours60 Hours
Water Resistance50m (5 ATM)50m (5 ATM)
CrystalSapphire Crystal with CyclopsDomed Sapphire
Case MaterialStainless SteelStainless Steel
OriginMade in JapanSwiss Made

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

Citizen's design language vs Zenith's approach

The Citizen Tsuyosa Automatic (Green Dial) features a Stainless Steel case at 40mm with Sapphire Crystal with Cyclops protection. The Zenith Chronomaster El Primero offers Stainless Steel construction at 38mm with Domed Sapphire. Both represent their brand's distinct design philosophy and heritage.

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Movement & Performance

Edge: Zenith

Automatic Caliber 8210 vs Automatic El Primero 3600 (5Hz)

The Tsuyosa Automatic (Green Dial) runs the Automatic Caliber 8210 (Citizen/Miyota In-House Automatic, 40 Hours power reserve) at 21,600 vph (3 Hz) frequency. The Chronomaster El Primero uses the Automatic El Primero 3600 (5Hz) (In-House Automatic Chronograph Manufacture, 60 Hours reserve) at 36,000 vph (5 Hz). The Chronomaster El Primero offers a longer power reserve.

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Wearability & Fit

Edge: Zenith

40mm vs 38mm — different wrist presence

At 40mm, the Tsuyosa Automatic (Green Dial) has a bolder wrist presence compared to the Chronomaster El Primero at 38mm. Water resistance differs: 50m (5 ATM) vs 50m (5 ATM).

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Value & Cost of Ownership

Edge: Citizen

Citizen sits in the lower tier

The Citizen Tsuyosa Automatic (Green Dial) sits at $250–$500 and the Zenith Chronomaster El Primero at $5,000–$10,000. On the specs that outlast any price: the Tsuyosa Automatic (Green Dial) uses Sapphire Crystal with Cyclops with 40 Hours, against Domed Sapphire and 60 Hours on the Chronomaster El Primero. Service intervals are typically 5-7 years for both.

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Water Resistance

Edge: Draw

50m (5 ATM) vs 50m (5 ATM)

The Tsuyosa Automatic (Green Dial) is rated to 50m (5 ATM) while the Chronomaster El Primero handles 50m (5 ATM). Both offer identical water resistance ratings.

Our Verdict

Citizen

Tsuyosa Automatic (Green Dial)

Choose the Citizen Tsuyosa Automatic (Green Dial) if you prioritize Citizen/Miyota In-House Automatic engineering, Made in Japan craftsmanship, and 50m (5 ATM) water resistance. At $250–$500, it delivers Automatic Caliber 8210 with 40 Hours power reserve.

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Zenith

Chronomaster El Primero

Choose the Zenith Chronomaster El Primero if you value In-House Automatic Chronograph Manufacture technology, Swiss Made heritage, and 38mm proportions. At $5,000–$10,000, the Automatic El Primero 3600 (5Hz) with 60 Hours power reserve makes it a compelling choice.

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The Bottom Line

The Citizen Tsuyosa Automatic (Green Dial) and Zenith Chronomaster El Primero represent two distinct approaches to fine watchmaking — the Citizen bringing Made in Japan tradition while Zenith delivers Swiss Made engineering.

Frequently Asked Questions

Neither is objectively better — they serve different preferences. The Citizen Tsuyosa Automatic (Green Dial) ($250–$500) offers Automatic Caliber 8210 with 40 Hours power reserve, while the Zenith Chronomaster El Primero ($5,000–$10,000) features Automatic El Primero 3600 (5Hz) with 50m (5 ATM) water resistance. Choose based on your priorities: Made in Japan craftsmanship vs Swiss Made engineering.
The Citizen Tsuyosa Automatic (Green Dial) offers better upfront value, sitting a tier lower at $250–$500. However, the Zenith Chronomaster El Primero may justify its premium with superior finishing, heritage, or resale value.
Both are suitable for daily wear. The Tsuyosa Automatic (Green Dial) at 40mm with 50m (5 ATM) water resistance handles everyday situations. The Chronomaster El Primero at 38mm with 50m (5 ATM) is similarly capable. The Tsuyosa Automatic (Green Dial) uses Sapphire Crystal with Cyclops while the Chronomaster El Primero uses Domed Sapphire.

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.