Oris Aquis Date Calibre 400 vs Seiko Chronograph SSB427 "Blue Panda"
Oris's diver meets Seiko's chronograph
Quick Verdict
The Seiko Chronograph SSB427 "Blue Panda" (~$199) delivers Seiko Quartz Chronograph (Battery) technology at $2,396 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 luxury watch category.
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Specifications Compared
| Feature | Oris Aquis Date Calibre 400 | Seiko Chronograph SSB427 "Blue Panda" |
|---|---|---|
| Price | ~$2,595 | ~$199 |
| Case Size | 41.5mm | 41mm |
| Movement | Automatic Calibre 400 | Quartz Chronograph Caliber 8T63 |
| Caliber Type | Oris In-House Manufacture | Seiko Quartz Chronograph (Battery) |
| Power Reserve | 120 Hours (5 Days) | 3-Year Battery |
| Water Resistance | 300m (30 ATM) | 100m (10 ATM) |
| Crystal | Sapphire Crystal with Anti-Reflective Coating | Hardlex Mineral Glass |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Swiss Made | Seiko (Japan) |
Category-by-Category Analysis
Design & Aesthetics
Oris's design language vs Seiko's approach
Movement & Performance
Automatic Calibre 400 vs Quartz Chronograph Caliber 8T63
Wearability & Fit
41.5mm vs 41mm — different wrist presence
Value & Cost of Ownership
Seiko is $2,396 more affordable
Water Resistance
300m (30 ATM) vs 100m (10 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 AmazonSeiko
Chronograph SSB427 "Blue Panda"
Choose the Seiko Chronograph SSB427 "Blue Panda" if you value Seiko Quartz Chronograph (Battery) technology, Seiko (Japan) heritage, and 41mm proportions. At ~$199, the Quartz Chronograph Caliber 8T63 with 3-Year Battery power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Oris Aquis Date Calibre 400 and Seiko Chronograph SSB427 "Blue Panda" represent two distinct approaches to fine watchmaking — the Oris bringing Swiss Made tradition while Seiko delivers Seiko (Japan) engineering.
Frequently Asked Questions
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