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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Specifications Compared
| Feature | Citizen Tsuyosa Automatic | Orient Sun & Moon |
|---|---|---|
| Price | $250–$500 | $250–$500 |
| Case Size | 40mm | 41.5mm |
| Movement | Automatic Caliber 8210 | Automatic Caliber F6B24 |
| Caliber Type | Citizen/Miyota In-House Automatic | Orient In-House Automatic (Hacking, Hand-Winding) |
| Power Reserve | 40 Hours | 40 Hours |
| Water Resistance | 50m (5 ATM) | 50m (5 ATM) |
| Crystal | Sapphire Crystal with Cyclops | Mineral Glass |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Made in Japan | Made in Japan |
Category-by-Category Analysis
Design & Aesthetics
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.
Movement & Performance
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.
Wearability & Fit
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).
Value & Cost of Ownership
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.
Water Resistance
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.
Check Price on AmazonOrient
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.
Check Price on AmazonThe 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
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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.

