Oris Aquis Date Calibre 400 vs Tissot Seastar 1000 Automatic
Two divers compared — ~$2,595 vs ~$515
Quick Verdict
The Tissot Seastar 1000 Automatic (~$515) delivers ETA/Tissot Automatic technology at $2,080 less than the Oris Aquis Date Calibre 400 (~$2,595). The Aquis Date Calibre 400 justifies its premium with Swiss Made heritage and Automatic Calibre 400. Both represent excellent choices in the diver category.
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Specifications Compared
| Feature | Oris Aquis Date Calibre 400 | Tissot Seastar 1000 Automatic |
|---|---|---|
| Price | ~$2,595 | ~$515 |
| Case Size | 41.5mm | 40mm |
| Movement | Automatic Calibre 400 | Automatic Powermatic 80 (Caliber 80.111) |
| Caliber Type | Oris In-House Manufacture | ETA/Tissot Automatic |
| Power Reserve | 120 Hours (5 Days) | 80 Hours |
| Water Resistance | 300m (30 ATM) | 300m (30 ATM) |
| Crystal | Sapphire Crystal with Anti-Reflective Coating | Sapphire Crystal |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Swiss Made | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Oris's design language vs Tissot's approach
Movement & Performance
Automatic Calibre 400 vs Automatic Powermatic 80 (Caliber 80.111)
Wearability & Fit
41.5mm vs 40mm — different wrist presence
Value & Cost of Ownership
Tissot is $2,080 more affordable
Water Resistance
300m (30 ATM) vs 300m (30 ATM)
Our Verdict
Oris
Aquis Date Calibre 400
Choose the Oris Aquis Date Calibre 400 if you prioritize Oris In-House Manufacture engineering, Swiss Made craftsmanship, and 300m (30 ATM) water resistance. At ~$2,595, it delivers Automatic Calibre 400 with 120 Hours (5 Days) 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 Oris Aquis Date Calibre 400 and Tissot Seastar 1000 Automatic represent two distinct approaches to the diver category — the Oris bringing Swiss Made tradition while Tissot delivers Swiss Made engineering.