Head-to-Head Comparison

Citizen Tsuyosa Automatic vs Orient Sun & Moon

Citizen's timepiece meets Orient's dress watch

Quick Verdict

The Citizen Tsuyosa Automatic ($250–$500) and Orient Sun & Moon ($250–$500) are closely matched timepieces at similar price points. The Tsuyosa Automatic emphasizes Citizen/Miyota In-House Automatic engineering while the Sun & Moon focuses on Made in Japan craftsmanship.

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Citizen Tsuyosa Automatic

Citizen

Tsuyosa Automatic

$250–$500

Orient Sun & Moon

Orient

Sun & Moon

$250–$500

Specifications Compared

FeatureCitizen Tsuyosa AutomaticOrient Sun & Moon
Price$250–$500$250–$500
Case Size40mm41.5mm
MovementAutomatic Caliber 8210Automatic Caliber F6B24
Caliber TypeCitizen/Miyota In-House AutomaticOrient In-House Automatic (Hacking, Hand-Winding)
Power Reserve40 Hours40 Hours
Water Resistance50m (5 ATM)50m (5 ATM)
CrystalSapphire Crystal with CyclopsMineral Glass
Case MaterialStainless SteelStainless Steel
OriginMade in JapanMade in Japan

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

Citizen's design language vs Orient's approach

The Citizen Tsuyosa Automatic features a Stainless Steel case at 40mm with Sapphire Crystal with Cyclops protection. The Orient Sun & Moon offers Stainless Steel construction at 41.5mm with Mineral Glass. Both represent their brand's distinct design philosophy and heritage.

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Movement & Performance

Edge: Draw

Automatic Caliber 8210 vs Automatic Caliber F6B24

The Tsuyosa Automatic runs the Automatic Caliber 8210 (Citizen/Miyota In-House Automatic, 40 Hours power reserve) at 21,600 vph (3 Hz) frequency. The Sun & Moon uses the Automatic Caliber F6B24 (Orient In-House Automatic (Hacking, Hand-Winding), 40 Hours reserve) at 21,600 vph (3 Hz). Power reserves are closely matched.

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Wearability & Fit

Edge: Citizen

40mm vs 41.5mm — different wrist presence

At 40mm, the Tsuyosa Automatic wears more compactly on smaller wrists compared to the Sun & Moon at 41.5mm. Water resistance differs: 50m (5 ATM) vs 50m (5 ATM).

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Value & Cost of Ownership

Edge: Draw

Same tier — different value propositions

The Citizen Tsuyosa Automatic sits at $250–$500 and the Orient Sun & Moon at $250–$500. On the specs that outlast any price: the Tsuyosa Automatic uses Sapphire Crystal with Cyclops with 40 Hours, against Mineral Glass and 40 Hours on the Sun & Moon. 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 is rated to 50m (5 ATM) while the Sun & Moon handles 50m (5 ATM). Both offer identical water resistance ratings.

Our Verdict

Citizen

Tsuyosa Automatic

Choose the Citizen Tsuyosa Automatic 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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Orient

Sun & Moon

Choose the Orient Sun & Moon if you value Orient In-House Automatic (Hacking, Hand-Winding) technology, Made in Japan heritage, and 41.5mm proportions. At $250–$500, the Automatic Caliber F6B24 with 40 Hours power reserve makes it a compelling choice.

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The Bottom Line

The Citizen Tsuyosa Automatic and Orient Sun & Moon represent two distinct approaches to fine watchmaking — the Citizen bringing Made in Japan tradition while Orient delivers Made in Japan engineering.

Frequently Asked Questions

Neither is objectively better — they serve different preferences. The Citizen Tsuyosa Automatic ($250–$500) offers Automatic Caliber 8210 with 40 Hours power reserve, while the Orient Sun & Moon ($250–$500) features Automatic Caliber F6B24 with 50m (5 ATM) water resistance. Choose based on your priorities: Made in Japan craftsmanship vs Made in Japan engineering.
Both are priced similarly, making this a question of preference rather than value. The Tsuyosa Automatic emphasizes Citizen/Miyota In-House Automatic technology while the Sun & Moon prioritizes Orient In-House Automatic (Hacking, Hand-Winding) precision.
Both are suitable for daily wear. The Tsuyosa Automatic at 40mm with 50m (5 ATM) water resistance handles everyday situations. The Sun & Moon at 41.5mm with 50m (5 ATM) is similarly capable. The Tsuyosa Automatic uses Sapphire Crystal with Cyclops while the Sun & Moon uses Mineral Glass. 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.