Market
Retail$145
eBay listings
- SEIKO 5 SNK355 Automatic Silver Dial Day Date WatchPre-owned - Good · JP$299
- SEIKO 5 SNK355K1 Automatic Silver Dial WatchNew with box and papers · JP$354
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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
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Summary
The Seiko SNK355k1 is an automatic watch, with a 37mm stainless steel case, powered by the 7S36 movement and a 40-hour power reserve. Water resistance is rated to 30m. Manufacturer MSRP is $145.
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