Two entry-level automatic divers, both certified to ISO 6425, with an identical 200m water resistance rating. The clearest documented difference is catalog status: the SKX007 has been discontinued since 2019, while the NY0040 remains current as a long-running production reference. Neither has verified price data in Cazador.
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| Seiko SKX007 | Citizen Promaster Diver NY0040 | |
|---|---|---|
| Case diameter | 42 mm | 42 mm |
| Material | Stainless steel | Stainless steel |
| Movement | Calibre 7S26, automatic, no hacking or manual winding | Automatic, exact caliber [UNVERIFIED] |
| Water resistance | 200 m, ISO 6425 certified | 200 m, ISO 6425 certified |
| Bezel | Unidirectional, 120-click, aluminum insert | Unidirectional, aluminum insert |
| Crystal | Hardlex (Seiko's hardened mineral crystal, not sapphire) | Mineral (not sapphire) |
| Dial | Black, day/date window at 3 o'clock | Black, day/date window |
| Bracelet | Steel (rubber-strap market variants also exist) | Stainless steel |
| Status | Discontinued, around 2019 | Current catalog, long-running reference |
| Market price in Cazador | Insufficient data | Insufficient data |
Pick the SKX007 if you want the original cult piece — accepting it's secondary-market only, since Seiko retired it from catalog around 2019.
Seiko SKX007 →Pick the NY0040 if you'd rather buy new today, without depending on the secondary market or remaining stock availability.
Citizen Promaster Diver NY0040 →