SpecStudio
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Seiko SNKP17
Stock unknown
Case
- Diameter
- 42.3mm
- Thickness
- 11.3mm
- Lug width
- 22mm
- Material
- Stainless Steel
- Water resistance
- 50m
- Caseback
- See-through screw case back
Crystal & dial
- Crystal
- Hardlex
- Dial colour
- Blue
Movement
- Caliber
- Seiko 7S26
- Type
- Automatic
- Power reserve
- 40h
- Jewels
- 21
Seiko
Seiko's legendary budget automatic caliber that powered the original Seiko 5 line and SKX diver series for decades. Lacking hacking and hand-winding, it is mechanically simple with just 21 jewels, but this simplicity contributed to its remarkable durability and low maintenance requirements. Now discontinued in favor of the NH35/4R35, the 7S26 remains one of the most iconic and beloved movements in affordable horology.
Market
RetailNot listed
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Retail stock & market context
Seiko on the secondhand market
+10.4%
2026 so far · +6.1% to +17.3% · 91 matched watches
In line with the index
Dress watches as a group: +11.0% · 211 matched watches
Year-by-year readings →Similar watches
Community
Owners widely praise the Seiko SNKP17 as an excellent value entry-level automatic, noting its impressive craftsmanship for the price and its versatility for everyday and business-casual wear. One owner reported the 7S26 movement exceeded its advertised power reserve, running for 44 hours. The stock metal strap is considered chintzy, with owners recommending leather straps to improve appearance and wearability. Overall, owners rate the Seiko SNKP17 highly for its value and reliable automatic movement.
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