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 listing with structured specifications, pricing, condition, and market context. Observed details include $1,375, 2021.
Updated Jun 13, 2026
![[WTS] Sinn 556I + extra straps & Steel reef extension image](/_next/image?url=https%3A%2F%2Fmedia.watchtrader.net%2Fmedia%2Freddit-post-1q8kwq4%2Fec078011780752594cdb6b50b652ff005da245f2e18063e2f224b6ccf960e69a.jpg&w=3840&q=75)
Observed 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
- 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
Current Sinn listings
- Sinn 104
Jun 21, 2026 · $2,450
- Sinn 103 St Sa
Jun 21, 2026 · $1,500
- Sinn 556i
Jun 21, 2026 · $1,299
- Sinn 857 S
Jun 20, 2026 · $2,399
- Sinn 356 Flieger Classic
Jun 20, 2026 · $2,700
- Sinn Pilot Chronograph 103 Sa G
Jun 20, 2026 · $3,750
Explore the Sinn market
Compare recent listings, common models, and observed prices for Sinn watches.