Seiko Marine Master 300
More Seiko market data- Brand
- Seiko
- Model
- Marine Master 300
- Reference
- SBDX023
- Dial
- black
- Bracelet / strap
- steel bracelet
- Status
- Available
Watch listing
Seiko Marine Master 300
Seiko Marine Master 300 listing with structured specifications, pricing, condition, and market context. Observed details include $1,900.
Updated Jun 20, 2026
![[WTS] Seiko SBDX023 Marine Master 300 - full kit! image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1tocffe%2F158ef3508467feb3b93cf9f5e3b9e452aea7f389dfde83a56340e13a6649c1a8.jpg&w=3840&q=75)
![[WTS] Seiko SBDX023 Marine Master 300 - full kit! image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1tocffe%2F54ab3dfd94d19c0ff0a0b914147f1ce6a51c4657e51f6c6db68bab22d8ce7e0a.jpg&w=3840&q=75)
![[WTS] Seiko SBDX023 Marine Master 300 - full kit! image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1tocffe%2Ffd270be65188c916904f36c3ccdb38f1e2a4fea8bab8f9f1921323842b89ce71.jpg&w=3840&q=75)
![[WTS] Seiko SBDX023 Marine Master 300 - full kit! image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1tocffe%2Fa17ec5e1e7e998fb81c4fbfc80a66e2cc505902066ea81d347b201fa6852324c.jpg&w=3840&q=75)
![[WTS] Seiko SBDX023 Marine Master 300 - full kit! image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1tocffe%2F6579f90f16665a770b0aab45a5b3422dae85565539a3ca6539913292232a0338.jpg&w=3840&q=75)
![[WTS] Seiko SBDX023 Marine Master 300 - full kit! image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1tocffe%2F7bc54b9c46773b0d2656babbb5affedc251e03474fffdd003d7f998365c49057.jpg&w=3840&q=75)
Observed asking price
$1,900
Status: Available
At a glance
- Listing type
- For sale
- First observed
- May 26, 2026
- Watches
- 1
- Photos
- 8
Structured details
Watch details
$1,900
Listing notes
[WTS] Seiko SBDX023 Marine Master 300 - full kit!
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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