Citizen Promaster Skyhawk A-T vs Tissot Seastar 1000 Automatic
Citizen's chronograph meets Tissot's diver
Quick Verdict
The Citizen Promaster Skyhawk A-T ($500–$1,000) and Tissot Seastar 1000 Automatic ($500–$1,000) are closely matched timepieces at similar price points. The Promaster Skyhawk A-T emphasizes Citizen Eco-Drive U680 (Solar + Radio-Controlled) engineering while the Seastar 1000 Automatic focuses on Swiss Made craftsmanship.
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Specifications Compared
| Feature | Citizen Promaster Skyhawk A-T | Tissot Seastar 1000 Automatic |
|---|---|---|
| Price | $500–$1,000 | $500–$1,000 |
| Case Size | 45mm | 40mm |
| Movement | Eco-Drive (Radio-Controlled, Atomic Timekeeping) | Automatic Powermatic 80 (Caliber 80.111) |
| Caliber Type | Citizen Eco-Drive U680 (Solar + Radio-Controlled) | ETA/Tissot Automatic |
| Power Reserve | — | 80 Hours |
| Water Resistance | 200m (20 ATM) | 300m (30 ATM) |
| Crystal | Sapphire Crystal | Sapphire Crystal |
| Case Material | Stainless Steel (Black Ion-Plated) | Stainless Steel |
| Origin | Made in Japan | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Citizen's design language vs Tissot's approach
The Citizen Promaster Skyhawk A-T features a Stainless Steel (Black Ion-Plated) case at 45mm with Sapphire Crystal protection. The Tissot Seastar 1000 Automatic offers Stainless Steel construction at 40mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Eco-Drive (Radio-Controlled, Atomic Timekeeping) vs Automatic Powermatic 80 (Caliber 80.111)
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 Seastar 1000 Automatic uses the Automatic Powermatic 80 (Caliber 80.111) (ETA/Tissot Automatic, 80 Hours reserve) at 21,600 vph (3 Hz). The Seastar 1000 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 Seastar 1000 Automatic at 40mm. Water resistance differs: 200m (20 ATM) vs 300m (30 ATM).
Value & Cost of Ownership
Same tier — different value propositions
The Citizen Promaster Skyhawk A-T sits at $500–$1,000 and the Tissot Seastar 1000 Automatic at $500–$1,000. On the specs that outlast any price: the Promaster Skyhawk A-T uses Sapphire Crystal with a standard reserve, against Sapphire Crystal and 80 Hours on the Seastar 1000 Automatic. Service intervals are typically 5-7 years for both.
Water Resistance
200m (20 ATM) vs 300m (30 ATM)
The Promaster Skyhawk A-T is rated to 200m (20 ATM) while the Seastar 1000 Automatic handles 300m (30 ATM). The Seastar 1000 Automatic offers superior water resistance.
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 AmazonTissot
Seastar 1000 Automatic
Choose the Tissot Seastar 1000 Automatic if you value ETA/Tissot Automatic technology, Swiss Made heritage, and 40mm proportions. At $500–$1,000, the Automatic Powermatic 80 (Caliber 80.111) with 80 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Citizen Promaster Skyhawk A-T and Tissot Seastar 1000 Automatic represent two distinct approaches to fine watchmaking — the Citizen bringing Made in Japan tradition while Tissot delivers Swiss Made 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.