Sinn 556I
More Sinn market data- Brand
- Sinn
- Model
- 556I
- Reference
- 556I
- Year
- 2021
- Dial
- Black
- Bracelet / strap
- Steel bracelet with Steel Reef extension
- Status
- Availability unverified
Watch listing
Sinn 556I and 1 more
Sinn 556I and 1 more sale listing with structured watch details and source context. Observed details include $1,375 and 2021 production year.
Updated Jun 13, 2026
![[WTS] Sinn 556I + extra straps & Steel reef extension image](https://media.watchtrader.net/media/reddit-post-1q8kwq4/ec078011780752594cdb6b50b652ff005da245f2e18063e2f224b6ccf960e69a.jpg)
1 photoObserved asking price
$1,375
Status: Availability unverified
At a glance
- Listing type
- For sale
- First observed
- Jan 9, 2026
- Watches
- 2
- Photos
- 1
Structured details
2 watches in this listing
$1,375
unspecified THETAKING1
- Brand
- Unspecified
- Model
- unspecified
- Reference
- THETAKING1
- Status
- Sold
Listing notes
[WTS] Sinn 556I + extra straps & Steel reef extension
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
Related Sinn listings
- Sinn 104 St Sa RS Red Seconds Limited Edition
Aug 20, 2026 · $1,675
- Sinn 105 St Sa UTC
Aug 20, 2026 · $2,000
- Sinn 104 White Dial
Aug 18, 2026 · $1,800
- Sinn 103 Sa G RWB Pilot Chronograph Limited Edition Green 103.172
Aug 17, 2026 · $3,650
- Sinn 256
Aug 16, 2026 · $2,400
- Sinn 156 SKX007
Aug 14, 2026 · $2,250
Explore the Sinn market
Compare recent listings, common models, and observed prices for Sinn watches.