Seiko Champion Calendar 860
More Seiko market data- Brand
- Seiko
- Model
- Champion Calendar 860
- Reference
- 86898
- Dial
- silver sunburst
- Bracelet / strap
- black textured leather
- Status
- Available
Watch listing
Seiko Champion Calendar 860
Seiko Champion Calendar 860 listing with structured specifications, pricing, condition, and market context. Observed details include $399.
Updated Jun 20, 2026
![[WTS] 1964 Seiko Champion Calendar 860 (Ref. 86898) - Crisp Seahorse Caseback, Original SW Crown! image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1roo5jn%2F5b03f855fad472eda8bf35df21aa02f7c6bd662b11a5930dc6fe844605780f33.jpg&w=3840&q=75)
![[WTS] 1964 Seiko Champion Calendar 860 (Ref. 86898) - Crisp Seahorse Caseback, Original SW Crown! image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1roo5jn%2F89579a6ccbdac2baf48f90f0563c6604de403838fb7b704d4d23c09a4869207f.jpg&w=3840&q=75)
![[WTS] 1964 Seiko Champion Calendar 860 (Ref. 86898) - Crisp Seahorse Caseback, Original SW Crown! image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1roo5jn%2Fc4bc53e0a6a22a11b4f7a3decb18dc37b9572fb5f2657a24264c8fc1a01b0708.jpg&w=3840&q=75)
![[WTS] 1964 Seiko Champion Calendar 860 (Ref. 86898) - Crisp Seahorse Caseback, Original SW Crown! image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1roo5jn%2Fbfd0280fa38f4e7b607eae0bd2e81cbfcbb61a95ff2e1b9e5ad2b729959c87f8.jpg&w=3840&q=75)
![[WTS] 1964 Seiko Champion Calendar 860 (Ref. 86898) - Crisp Seahorse Caseback, Original SW Crown! image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1roo5jn%2F027e33364ee05f0910f351d5492857ff0f47e781c101ea0a2288086e464b40a9.jpg&w=3840&q=75)
![[WTS] 1964 Seiko Champion Calendar 860 (Ref. 86898) - Crisp Seahorse Caseback, Original SW Crown! image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1roo5jn%2Ffeb83aede838fc9fd6aa5a063baf4e571b48fcce8a9b419a5bed6c76f60e9711.jpg&w=3840&q=75)
Observed asking price
$399
Status: Available
At a glance
- Listing type
- For sale
- First observed
- Mar 9, 2026
- Watches
- 1
- Photos
- 16
Structured details
Watch details
$399
Listing notes
[WTS] 1964 Seiko Champion Calendar 860 (Ref. 86898) - Crisp Seahorse Caseback, Original SW Crown!
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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