Head-to-Head Comparison

Updated September 5, 2026

Citizen Promaster Skyhawk A-T vs Orient Sun & Moon

Citizen's chronograph meets Orient's dress watch

Quick Verdict

The Orient Sun & Moon ($250–$500) delivers Orient In-House Automatic (Hacking, Hand-Winding) technology in the tier below the Citizen Promaster Skyhawk A-T ($500–$1,000). The Sun & Moon measures 41.5mm and is rated 50m (5 ATM). The Promaster Skyhawk A-T justifies its premium with Made in Japan heritage and Eco-Drive (Radio-Controlled, Atomic Timekeeping). Both represent excellent choices in the luxury watch category.

CitizenPromaster Skyhawk A-T$500–$1,000 Check price View the dossier

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Citizen

Promaster Skyhawk A-T

$500–$1,000

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Orient

Sun & Moon

$250–$500

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Specifications Compared

Feature	Citizen Promaster Skyhawk A-T	Orient Sun & Moon
Price	$500–$1,000	$250–$500
Case Size	45mm	41.5mm
Movement	Eco-Drive (Radio-Controlled, Atomic Timekeeping)	Automatic Caliber F6B24
Caliber Type	Citizen Eco-Drive U680 (Solar + Radio-Controlled)	Orient In-House Automatic (Hacking, Hand-Winding)
Power Reserve	—	40 Hours
Water Resistance	200m (20 ATM)	50m (5 ATM)
Crystal	Sapphire Crystal	Mineral Glass
Case Material	Stainless Steel (Black Ion-Plated)	Stainless Steel
Origin	Made in 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 Promaster Skyhawk A-T features a Stainless Steel (Black Ion-Plated) case at 45mm with Sapphire Crystal 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: Orient

Eco-Drive (Radio-Controlled, Atomic Timekeeping) vs Automatic Caliber F6B24

The Promaster Skyhawk A-T runs the Eco-Drive (Radio-Controlled, Atomic Timekeeping) (Citizen Eco-Drive U680 (Solar + Radio-Controlled), standard power reserve) at standard 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). The Sun & Moon offers a longer power reserve.

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Wearability & Fit

Edge: Orient

45mm vs 41.5mm — different wrist presence

At 45mm, the Promaster Skyhawk A-T has a bolder wrist presence compared to the Sun & Moon at 41.5mm. Water resistance differs: 200m (20 ATM) vs 50m (5 ATM).

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Value & Cost of Ownership

Edge: Orient

Orient sits in the lower tier

The Citizen Promaster Skyhawk A-T sits at $500–$1,000 and the Orient Sun & Moon at $250–$500. On the specs that outlast any price: the Promaster Skyhawk A-T uses Sapphire Crystal with a standard reserve, 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: Citizen

200m (20 ATM) vs 50m (5 ATM)

The Promaster Skyhawk A-T is rated to 200m (20 ATM) while the Sun & Moon handles 50m (5 ATM). The Promaster Skyhawk A-T is better suited for water activities.

Our Verdict

Citizen

Promaster Skyhawk A-T

Choose the Citizen Promaster Skyhawk A-T if you prioritize Citizen Eco-Drive U680 (Solar + Radio-Controlled) engineering, Made in Japan craftsmanship, and 200m (20 ATM) water resistance. At $500–$1,000, it delivers Eco-Drive (Radio-Controlled, Atomic Timekeeping) with solid 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 Promaster Skyhawk A-T 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

The Orient Sun & Moon is the better buy if you want a mechanical movement; the Citizen Promaster Skyhawk A-T is the better buy if you want solar power and quartz accuracy with no servicing. For water, the Citizen Promaster Skyhawk A-T is rated 200 m against 50 m, which is the difference between swimming and diving on one side and splashes on the other. On price, the Orient Sun & Moon sits a band lower ($250–$500 against $500–$1,000), so it is the cheaper way into the category. Neither is better at everything; the spec table above shows movement, case size, water resistance and crystal side by side so you can weigh what matters to you. We do not test units, so this is the makers' data, not a bench result.

The Orient Sun & Moon offers better upfront value, sitting a tier lower at $250–$500. However, the Citizen Promaster Skyhawk A-T may justify its premium with superior finishing, heritage, or resale value.

Both are suitable for daily wear. The Promaster Skyhawk A-T at 45mm with 200m (20 ATM) water resistance handles everyday situations. The Sun & Moon at 41.5mm with 50m (5 ATM) is similarly capable. The Promaster Skyhawk A-T uses Sapphire Crystal while the Sun & Moon uses Mineral Glass. Sapphire resists scratches noticeably better than mineral glass.

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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.