Seiko SPB381
More Seiko market data- Brand
- Seiko
- Model
- SPB381
- Reference
- SPB381
- Case
- 42 mm
- Status
- Available
Watch listing
Seiko SPB381 and 1 more
Seiko SPB381 and 1 more listing with structured specifications, pricing, condition, and market context. Observed details include $950.
Updated Jun 20, 2026
![[WTS] Seiko SPB381 42mm $950 image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1sd4pao%2Ff7253720cded814685f965eb1f1ec9596f382f1e7326ecdfe0b5a811fc56ce6b.jpg&w=3840&q=75)
![[WTS] Seiko SPB381 42mm $950 image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1sd4pao%2F48f4e0c8db6e581c3ca153e3a40b31fc95f6e26fc9fe0507e42c84e8164d9cc1.jpg&w=3840&q=75)
![[WTS] Seiko SPB381 42mm $950 image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1sd4pao%2F65552bac0e6e3a636b97bada12c81e2c2dc3c2fea0d690778caddf85cd275e80.jpg&w=3840&q=75)
![[WTS] Seiko SPB381 42mm $950 image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1sd4pao%2F2d470d5e45d6444baeb0b0caee804ca02b36e7d42ed6eb87288f203fa0148f7d.jpg&w=3840&q=75)
![[WTS] Seiko SPB381 42mm $950 image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1sd4pao%2F01c6a84d28b56260e4982485373cd1d081793973ee5a557edfd0be38d1ecf137.jpg&w=3840&q=75)
![[WTS] Seiko SPB381 42mm $950 image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1sd4pao%2F72fc886f0048d8cad5f74bbf665b6394b25f6401c95b7231a57db2507babb17e.jpg&w=3840&q=75)
Observed asking price
$950
Status: Available
At a glance
- Listing type
- For sale
- First observed
- Apr 5, 2026
- Watches
- 2
- Photos
- 8
Structured details
2 watches in this listing
$950
Seiko SPB381
More Seiko market data- Brand
- Seiko
- Model
- SPB381
- Reference
- SPB381
- Dial
- green
- Status
- Available
Listing notes
[WTS] Seiko SPB381 42mm $950
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
Current Seiko listings
- Seiko Baby Tuna
Jun 22, 2026 · $250
- Seiko 5 Sports GMT
Jun 22, 2026 · $399
- Seiko SSK001
Jun 22, 2026 · $275
- Seiko Prospex
Jun 22, 2026 · $695
- Seiko Actus
Jun 22, 2026 · $299
- Seiko JOLLY ROGER
Jun 22, 2026 · $1,999
Explore the Seiko market
Compare recent listings, common models, and observed prices for Seiko watches.