Seiko Prospex
More Seiko market data- Brand
- Seiko
- Model
- Prospex
- Reference
- SPB237
- Case
- 42.7 mm
- Material
- steel
- Dial
- gray
- Bracelet / strap
- NATO
- Status
- Available
Watch listing
Seiko Prospex
Seiko Prospex listing with structured specifications, pricing, condition, and market context. Observed details include $750.
Updated Jun 20, 2026
![[WTS] Seiko Prospex SPB237 SBDC143 The Grey Birch Captain Willard JDM image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1sf40c6%2F00094785b248ddb623a89f45482e13e84349e9b55a602d2a82bd70795969d73d.jpg&w=3840&q=75)
![[WTS] Seiko Prospex SPB237 SBDC143 The Grey Birch Captain Willard JDM image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1sf40c6%2Fb7b204539e7b2395cb836a1d4811aad4d4d26151629c5ce9f43eb6bbd32b407e.jpg&w=3840&q=75)
![[WTS] Seiko Prospex SPB237 SBDC143 The Grey Birch Captain Willard JDM image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1sf40c6%2F56cc3e97cfde8fcf03d088d4933db22a4854dc86f9f73dd369abf3e39d805cf0.jpg&w=3840&q=75)
![[WTS] Seiko Prospex SPB237 SBDC143 The Grey Birch Captain Willard JDM image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1sf40c6%2F5e8ed105e4608e8f98490090cc9abd3b597244fdba52f7f6e7f61d9cd4608beb.jpg&w=3840&q=75)
![[WTS] Seiko Prospex SPB237 SBDC143 The Grey Birch Captain Willard JDM image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1sf40c6%2Fbb7f99348e1025d853c24e0767f42862e85ae97c56dc37349d601d6585dbca9c.jpg&w=3840&q=75)
![[WTS] Seiko Prospex SPB237 SBDC143 The Grey Birch Captain Willard JDM image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1sf40c6%2F904c9f603f6409460bcd5335a1fd759e9889afabee46be5bfc3a35497f84e702.jpg&w=3840&q=75)
Observed asking price
$750
Status: Available
At a glance
- Listing type
- For sale
- First observed
- Apr 7, 2026
- Watches
- 1
- Photos
- 6
Structured details
Watch details
$750
Listing notes
[WTS] Seiko Prospex SPB237 SBDC143 The Grey Birch Captain Willard JDM
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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