SpecStudio
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Seiko SNKE03
Ref. SNKE03K1
$180Stock unknown
Case
- Diameter
- 38mm
- Thickness
- 12mm
- Material
- Stainless Steel
- Finish
- Black PVD
- Water resistance
- 50m
- Caseback
- Exhibition
Crystal & dial
- Crystal
- Hardlex
- Dial colour
- Black
- Indices
- Applied
Movement
- Caliber
- Seiko 7S26
- Type
- Automatic
- 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.
The market
Market prices.
Retail$180
eBay listings
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Retail stock & market context
Seiko on the secondhand market
+8.1%
2026 so far · +3.6% to +12.7% · 80 matched watches
In line with the index
Year-by-year readings →The connection engine
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The community take
Owners talk.
In a nutshell
The Seiko SNKE03 (ref. SNKE03K1) is an automatic watch, with a 38mm stainless steel case, 12mm thick, powered by the Seiko 7S26 movement. Water resistance is rated to 50m, under a hardlex crystal. Manufacturer MSRP is $180.
On real wrists
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The paper trail
The discussion