Seiko MM300
More Seiko market data- Brand
- Seiko
- Model
- MM300
- Material
- Steel
- Dial
- Black
- Bracelet / strap
- Bracelet
- Status
- Traded
Watch listing
Seiko MM300 and 2 more
Seiko MM300 and 2 more listing with structured specifications, pricing, condition, and market context. Observed details include $130.
Updated Jun 20, 2026
![[WTS] Seiko MM300 micro adjust clasp (fits SPB143 etc) image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1rqh13q%2F72109ce7d4b9008b3cfd4197e424dabf1c0ee4c39f300b9e6150c4594cdde216.jpg&w=3840&q=75)
![[WTS] Seiko MM300 micro adjust clasp (fits SPB143 etc) image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1rqh13q%2F1c6216e1397b460ce0ecffa10b76fe7df16f673d5bf0214295da97867bc802b3.jpg&w=3840&q=75)
![[WTS] Seiko MM300 micro adjust clasp (fits SPB143 etc) image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1rqh13q%2F280b5927c80e72a3474d49c0e8923d079c4d0f65a98e0aead254ac88b5b7e719.jpg&w=3840&q=75)
![[WTS] Seiko MM300 micro adjust clasp (fits SPB143 etc) image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1rqh13q%2F1c708a60e3e232b1321ab829b5d28da7a88864665dabf45f2680e3d1492a408d.jpg&w=3840&q=75)
![[WTS] Seiko MM300 micro adjust clasp (fits SPB143 etc) image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1rqh13q%2F7d070d4b3051cf8ea730202194e72d754a07d8f1787f85a9609a50ef2e15a346.jpg&w=3840&q=75)
![[WTS] Seiko MM300 micro adjust clasp (fits SPB143 etc) image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1rqh13q%2F868eae750e66e07c08d3fd9423a88eb38d01d22373b49636b500713c541113bc.jpg&w=3840&q=75)
Observed asking price
$130
Status: Traded
At a glance
- Listing type
- For sale
- First observed
- Mar 11, 2026
- Watches
- 3
- Photos
- 7
Structured details
3 watches in this listing
$130
Seiko MM300
More Seiko market data- Brand
- Seiko
- Model
- MM300
- Condition
- Used
- Bracelet / strap
- Bracelet
- Status
- Available
Seiko MM300
More Seiko market data- Brand
- Seiko
- Model
- MM300
- Material
- steel
- Dial
- black
- Bracelet / strap
- bracelet
- Status
- Sold
Listing notes
[WTS] Seiko MM300 micro adjust clasp (fits SPB143 etc)
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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