[WTS] Sinn 556 I RS (Red Seconds)

Sinn 556 I RS (Red Seconds)

Sinn - 556 I RS · $1,000
A Sinn 556 I RS with a red seconds hand, which was the daily companion of the seller during a challenging but rewarding year. The watch has survived various conditions and comes with its original packaging and a stainless steel bracelet.

  • Condition: Great shape
  • Bracelet material: stainless steel
  • Box and papers included: yes
Posted at
Apr 24, 2026, 12:07 PM
Sold
[WTS] Sinn 556 Annivesary 1961-2016 LE w/ H-link bracelet

Sinn 556 Annivesary 1961-2016 LE w/ H-link bracelet

This Sinn 556 Anniversary watch is a limited edition model from 1961-2016, featuring an H-link bracelet. It's in great condition overall, with some minor marks.

  • Condition: great condition with minor scratches and hairlines on bracelet and case, outer AR coating has some hairlines
  • Bracelet type: H-link
  • Accessories included: full-kit (excluding Sinn tool)
  • Shipping method: Fedex
Posted at
Apr 23, 2026, 12:50 AM
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[WTS] Sinn 556 I RS with strap

Sinn 556 I RS with strap

Sinn - 556 I RS · $1,250
Up for sale is my Sinn 556 I RS purchased on 7/25/25. It comes with all original packaging and receipt.

  • Condition: Very good
  • Purchase Date: 7/25/2025
  • Original Straps Condition: Brand new
  • Warranty Status: Under warranty
Posted at
Apr 22, 2026, 5:25 PM
Sold
[WtS] Sinn 556 iRS 2023

Sinn 556 iRS 2023

Sinn - 556 iRS · $1,250
A Sinn 556 i RS in excellent condition, featuring a solid lume and a striking red seconds hand. It keeps great time and has been well-loved by its previous owner.

  • Condition: excellent shape with normal wear
  • Case size: 38.5mm diameter
  • Year: 2023
Posted at
Apr 21, 2026, 9:28 AM
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[WTS] Sinn 556 I RS

Sinn 556 I RS

Sinn - 556 I RS · $1,000
The Sinn 556 I RS features a glossy black dial and a striking red seconds hand. The satin-finished stainless steel case is in good condition.

  • Condition: Pre-owned - good condition for a daily worn watch
  • Case Size: 38.5mm diameter
  • Case Thickness: 11mm
  • Lug Width: 20mm
Posted at
Apr 18, 2026, 6:52 PM
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[WTS] Sinn 556 I M "Mocha" - Limited Production Chocolate Sunburst Dial - Fine Link + Strap

Sinn 556 I M "Mocha" - Limited Production Chocolate Sunburst Dial - Fine Link + Strap

Sinn - 556 I M · $1,650
The Sinn 556 I M features a stunning mocha-brown sunburst dial and hand-applied, rhodium-plated indices. This versatile watch combines rugged tool-watch elements with sophisticated everyday style.

  • Condition: Great pre-owned condition
  • Bracelet: Sinn Fine Link
  • Strap: Sinn leather strap
  • Water Resistance: 200m depth rating
Posted at
Apr 18, 2026, 5:42 PM
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[WTS] Sinn 556 I RS – One Month Old, Mint/Full Kit

Sinn 556 I RS – One Month Old, Mint/Full Kit

Sinn - 556 I RS · $1,499
This ultra-versatile Sinn 556 I RS is the ultimate 'GADA' piece, with a high-quality SW200-1 movement and features such as 200m water resistance, sapphire crystal, and antimagnetic properties.

  • Condition: Like New / Mint
  • Movement: SW200-1
  • Case size: 38.5mm diameter
  • Dial color: glossy black
Posted at
Apr 15, 2026, 10:43 AM
Sold
[WTS] 2023 Sinn 556 I on Leather Strap w/papers - $1275

2023 Sinn 556 I on Leather Strap w/papers - $1275

Sinn - 556 I · $1,375
2023 Sinn 556 I on a leather strap, presented extremely clean and functions perfectly.

  • Condition: Excellent condition with very light wear
  • Strap material: leather
  • Year: 2023
Posted at
Apr 14, 2026, 10:01 AM
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[WTS] Sinn 556 I RS

Sinn 556 I RS

Sinn - 556 I RS · $1,050
This Sinn 556 I RS is a minimalist daily driver with flawless German engineering and stealthy legibility, featuring a striking red seconds hand.

  • Condition: great condition
  • Depth rating:
  • Water resistance:
Posted at
Apr 12, 2026, 1:11 PM
Active