Seiko Marine Master Professional
More Seiko market data- Brand
- Seiko
- Model
- Marine Master Professional
- Dial
- black
- Bracelet / strap
- bracelet
- Status
- Available
Watch listing
Seiko Marine Master Professional
Seiko Marine Master Professional listing with structured specifications, pricing, condition, and market context. Observed details include $1,700.
Updated Jun 20, 2026
![[WTS] SEIKO Diver Marine Master Professional 300m “MM300” Cal. 8L35 Hi-beat Automatic | $1,700 (Shipped/Tariff Covered) image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1tq6e6n%2F315dcc9011cabafd4f198dc2423c632bd1b56a4a449204576ec71acee92123eb.jpg&w=3840&q=75)
![[WTS] SEIKO Diver Marine Master Professional 300m “MM300” Cal. 8L35 Hi-beat Automatic | $1,700 (Shipped/Tariff Covered) image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1tq6e6n%2F517d639b09fb731a3fd5cb51d4d121b6b7587e66dd05994db4556bd4dda04e6a.jpg&w=3840&q=75)
![[WTS] SEIKO Diver Marine Master Professional 300m “MM300” Cal. 8L35 Hi-beat Automatic | $1,700 (Shipped/Tariff Covered) image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1tq6e6n%2F83deb6c732d84fcb34e2dec4f0c48efb44d50335e6228544b5155b3bb540e5d2.jpg&w=3840&q=75)
![[WTS] SEIKO Diver Marine Master Professional 300m “MM300” Cal. 8L35 Hi-beat Automatic | $1,700 (Shipped/Tariff Covered) image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1tq6e6n%2F3ee7618199d17a602fe433fd3bcbccc48b3116120f29a80f5a3db8f87fb0be95.jpg&w=3840&q=75)
![[WTS] SEIKO Diver Marine Master Professional 300m “MM300” Cal. 8L35 Hi-beat Automatic | $1,700 (Shipped/Tariff Covered) image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1tq6e6n%2F11c67b40dea38b5ffff38c50556537dc1bf7b6d208f5ac386f13bea45e559465.jpg&w=3840&q=75)
![[WTS] SEIKO Diver Marine Master Professional 300m “MM300” Cal. 8L35 Hi-beat Automatic | $1,700 (Shipped/Tariff Covered) image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1tq6e6n%2F7f82f7441be5758bff8412c5416f444538996c49ae74ecf02dd248df90628ec5.jpg&w=3840&q=75)
Observed asking price
$1,700
Status: Available
At a glance
- Listing type
- For sale
- First observed
- May 28, 2026
- Watches
- 1
- Photos
- 9
Structured details
Watch details
$1,700
Listing notes
[WTS] SEIKO Diver Marine Master Professional 300m “MM300” Cal. 8L35 Hi-beat Automatic | $1,700 (Shipped/Tariff Covered)
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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