Mido Ocean Star GMT vs Tissot Seastar 1000 Automatic
Two divers compared — ~$1,410 vs ~$515
Quick Verdict
The Tissot Seastar 1000 Automatic (~$515) delivers ETA/Tissot Automatic technology at $895 less than the Mido Ocean Star GMT (~$1,410). The Ocean Star GMT justifies its premium with Swiss Made heritage and Automatic Caliber 80 (Base ETA C07.661). Both represent excellent choices in the diver category.
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Specifications Compared
| Feature | Mido Ocean Star GMT | Tissot Seastar 1000 Automatic |
|---|---|---|
| Price | ~$1,410 | ~$515 |
| Case Size | 44mm | 40mm |
| Movement | Automatic Caliber 80 (Base ETA C07.661) | Automatic Powermatic 80 (Caliber 80.111) |
| Caliber Type | Automatic (ETA C07.661 base) | ETA/Tissot Automatic |
| Power Reserve | 80 Hours | 80 Hours |
| Water Resistance | 200m (20 ATM) | 300m (30 ATM) |
| Crystal | Sapphire with Double-sided AR | Sapphire Crystal |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Swiss Made | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Mido's design language vs Tissot's approach
Movement & Performance
Automatic Caliber 80 (Base ETA C07.661) vs Automatic Powermatic 80 (Caliber 80.111)
Wearability & Fit
44mm vs 40mm — different wrist presence
Value & Cost of Ownership
Tissot is $895 more affordable
Water Resistance
200m (20 ATM) vs 300m (30 ATM)
Our Verdict
Mido
Ocean Star GMT
Choose the Mido Ocean Star GMT if you prioritize Automatic (ETA C07.661 base) engineering, Swiss Made craftsmanship, and 200m (20 ATM) water resistance. At ~$1,410, it delivers Automatic Caliber 80 (Base ETA C07.661) with 80 Hours 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 ~$515, the Automatic Powermatic 80 (Caliber 80.111) with 80 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Mido Ocean Star GMT and Tissot Seastar 1000 Automatic represent two distinct approaches to the diver category — the Mido bringing Swiss Made tradition while Tissot delivers Swiss Made engineering.

