SINN 556 I B Blue Sunburst Dial Swiss Top Grade Automatic 38.5mm Stainless Steel


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We take trades against any of our watches!!! We also buy watch packages!!

The Sinn 556 Series offers a great mix of performance, durability and classic Sinn design.  For these reasons, they are among Sinn’s bestselling watches of all time.

This version of the Sinn 556 I B is marked “I” for Indices only. 



Important features of this watch include:


  • Case made of satinized stainless steel
  • Top Grade Chronometer Swiss Movement
  • Sapphire crystal glass on both sides
  • Water resistant to 200 meters
  • SuperLuminova on the hands and hours 
  • Sunburst Blue dial
  • Double antireflective coating
  • Low pressure resistant

This watch is fitted with a Sinn stainless steel H-Link bracelet and has Factory warranty until Nov 2022!


MODEL: 556 I B

MOVEMENT: Swiss Automatic – Top Grade Chronometer

CASE: Stainless Steel

CROWN: Screw-down Crown

SIZE: 38.5mm

LUGS: 22mm

DIAL: Sunburst Blue Dial 

BEZEL: Non Rotating

CONDITION: As-New – Sinn Factory Warranty Remaining until Nov 2022

BOXES/PAPERS: Complete Set – Everything as shown in pictures


STRAP/BRACELET: – Original Sinn H Link Stainless Steel bracelet with all links and folding deployment clasp.


We buy similar watches…large packages as well as one at a time. We also take trades against any of our watches…

Let us know what you have in your collection!! I consider all watches in trade! Please upload pictures and include details of your trades through my Trade/Buy tab at the top of my homepage.