Citizen Promaster Skyhawk A-T vs Invicta Pro Diver Automatic
Citizen's chronograph meets Invicta's diver
Quick Verdict
The Invicta Pro Diver Automatic ($50–$100) delivers Seiko NH35 Automatic (Hacking, Hand-Winding) technology in the tier below the Citizen Promaster Skyhawk A-T ($500–$1,000). The Pro Diver Automatic measures 40mm and is rated 200m (20 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.
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Specifications Compared
| Feature | Citizen Promaster Skyhawk A-T | Invicta Pro Diver Automatic |
|---|---|---|
| Price | $500–$1,000 | $50–$100 |
| Case Size | 45mm | 40mm |
| Movement | Eco-Drive (Radio-Controlled, Atomic Timekeeping) | Automatic Seiko NH35 |
| Caliber Type | Citizen Eco-Drive U680 (Solar + Radio-Controlled) | Seiko NH35 Automatic (Hacking, Hand-Winding) |
| Power Reserve | — | 41 Hours |
| Water Resistance | 200m (20 ATM) | 200m (20 ATM) |
| Crystal | Sapphire Crystal | Mineral Glass |
| Case Material | Stainless Steel (Black Ion-Plated) | Stainless Steel |
| Origin | Made in Japan | Japanese Movement (Seiko NH35) |
Category-by-Category Analysis
Design & Aesthetics
Citizen's design language vs Invicta's approach
The Citizen Promaster Skyhawk A-T features a Stainless Steel (Black Ion-Plated) case at 45mm with Sapphire Crystal protection. The Invicta Pro Diver Automatic offers Stainless Steel construction at 40mm with Mineral Glass. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Eco-Drive (Radio-Controlled, Atomic Timekeeping) vs Automatic Seiko NH35
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 Pro Diver Automatic uses the Automatic Seiko NH35 (Seiko NH35 Automatic (Hacking, Hand-Winding), 41 Hours reserve) at 21,600 vph (3 Hz). The Pro Diver Automatic offers a longer power reserve.
Wearability & Fit
45mm vs 40mm — different wrist presence
At 45mm, the Promaster Skyhawk A-T has a bolder wrist presence compared to the Pro Diver Automatic at 40mm. Water resistance differs: 200m (20 ATM) vs 200m (20 ATM).
Value & Cost of Ownership
Invicta sits in the lower tier
The Citizen Promaster Skyhawk A-T sits at $500–$1,000 and the Invicta Pro Diver Automatic at $50–$100. On the specs that outlast any price: the Promaster Skyhawk A-T uses Sapphire Crystal with a standard reserve, against Mineral Glass and 41 Hours on the Pro Diver Automatic. Service intervals are typically 5-7 years for both.
Water Resistance
200m (20 ATM) vs 200m (20 ATM)
The Promaster Skyhawk A-T is rated to 200m (20 ATM) while the Pro Diver Automatic handles 200m (20 ATM). Both offer identical water resistance ratings.
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.
Check Price on AmazonInvicta
Pro Diver Automatic
Choose the Invicta Pro Diver Automatic if you value Seiko NH35 Automatic (Hacking, Hand-Winding) technology, Japanese Movement (Seiko NH35) heritage, and 40mm proportions. At $50–$100, the Automatic Seiko NH35 with 41 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Citizen Promaster Skyhawk A-T and Invicta Pro Diver Automatic represent two distinct approaches to fine watchmaking — the Citizen bringing Made in Japan tradition while Invicta delivers Japanese Movement (Seiko NH35) engineering.
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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.