Seiko SPB421
More Seiko market data- Brand
- Seiko
- Model
- SPB421
- Reference
- SPB421
- Condition
- New/Unworn
- Status
- Availability unverified
Watch listing
Seiko SPB421 and 1 more
Seiko SPB421 and 1 more listing with structured specifications, pricing, condition, and market context. Observed details include $940, New/Unworn.
Updated Jun 18, 2026
![[WTS] Seiko SPB421. New/Unworn $940 image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1rgh9hr%2F744bdfcaf42ffbb3d1d4162363e7bc32ff19ebf627a5bd4089a8fa135c83db8e.jpg&w=3840&q=75)
![[WTS] Seiko SPB421. New/Unworn $940 image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1rgh9hr%2F0832cad1afc670074347073bacfacc244993d90b465ec617ed1b021f690f194f.jpg&w=3840&q=75)
![[WTS] Seiko SPB421. New/Unworn $940 image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1rgh9hr%2Ff2dc75f3b9cb2ac438a9af2f8e9d9d37919ab171232329726c9a329a37a0cfbb.jpg&w=3840&q=75)
![[WTS] Seiko SPB421. New/Unworn $940 image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1rgh9hr%2Fc5413cd7cb6926360e0f0c74d475df7ceb2b3174862369d6ec4d6f66abac1e30.jpg&w=3840&q=75)
![[WTS] Seiko SPB421. New/Unworn $940 image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1rgh9hr%2F414c21a37e7e067ccf360c23d52ae6f1f82ad88b81d2856994005aa6afdca8bf.jpg&w=3840&q=75)
Observed asking price
$940
Status: Availability unverified
At a glance
- Listing type
- For sale
- First observed
- Feb 27, 2026
- Watches
- 2
- Photos
- 5
Structured details
2 watches in this listing
$940
Seiko SPB421
More Seiko market data- Brand
- Seiko
- Model
- SPB421
- Reference
- SPB421
- Condition
- New
- Status
- Availability unverified
Listing notes
[WTS] Seiko SPB421. New/Unworn $940
Source and availability
Watchtrader structured this page from an observed Reddit community listing. Asking prices, condition, and availability can change after publication; verify the details with the original source before relying on them.
View original Reddit listingMore from this brand
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