Citizen Promaster Sea Eco-Drive Diver vs Oris Aquis Date Calibre 400
Two divers compared — ~$290 vs ~$2,595
Quick Verdict
The Citizen Promaster Sea Eco-Drive Diver (~$290) offers Citizen Eco-Drive (Solar Quartz) precision at $2,305 less than the Oris Aquis Date Calibre 400 (~$2,595). The Aquis Date Calibre 400 counters with Swiss Made craftsmanship and 300m (30 ATM) water resistance. Both are exceptional divers for their respective price points.
Transparency — We earn a small commission on purchases made through our Amazon links. This doesn't affect our editorial independence.
Specifications Compared
| Feature | Citizen Promaster Sea Eco-Drive Diver | Oris Aquis Date Calibre 400 |
|---|---|---|
| Price | ~$290 | ~$2,595 |
| Case Size | 44mm | 41.5mm |
| Movement | Eco-Drive Caliber E168 | Automatic Calibre 400 |
| Caliber Type | Citizen Eco-Drive (Solar Quartz) | Oris In-House Manufacture |
| Power Reserve | — | 120 Hours (5 Days) |
| Water Resistance | 200m (20 ATM) ISO 6425 | 300m (30 ATM) |
| Crystal | Mineral Crystal | Sapphire Crystal with Anti-Reflective Coating |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Made in Japan | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Citizen's design language vs Oris's approach
Movement & Performance
Eco-Drive Caliber E168 vs Automatic Calibre 400
Wearability & Fit
44mm vs 41.5mm — different wrist presence
Value & Cost of Ownership
Citizen is $2,305 more affordable
Water Resistance
200m (20 ATM) ISO 6425 vs 300m (30 ATM)
Our Verdict
Citizen
Promaster Sea Eco-Drive Diver
Choose the Citizen Promaster Sea Eco-Drive Diver if you prioritize Citizen Eco-Drive (Solar Quartz) engineering, Made in Japan craftsmanship, and 200m (20 ATM) ISO 6425 water resistance. At ~$290, it delivers Eco-Drive Caliber E168 with solid power reserve.
Check Price on AmazonOris
Aquis Date Calibre 400
Choose the Oris Aquis Date Calibre 400 if you value Oris In-House Manufacture technology, Swiss Made heritage, and 41.5mm proportions. At ~$2,595, the Automatic Calibre 400 with 120 Hours (5 Days) power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Citizen Promaster Sea Eco-Drive Diver and Oris Aquis Date Calibre 400 represent two distinct approaches to the diver category — the Citizen bringing Made in Japan tradition while Oris delivers Swiss Made engineering.
Frequently Asked Questions
More Comparisons
Oris Aquis vs Seiko SPB143 (62MAS)
Swiss independence meets Japanese precision diving
Tag Heuer Carrera Chronograph vs Citizen Promaster Sea Eco-Drive Diver
Tag Heuer's chronograph meets Citizen's diver
Tag Heuer Carrera Chronograph vs Oris Aquis Date Calibre 400
Tag Heuer's chronograph meets Oris's diver