The Sinn 556 I combines understated elegance with technical prowess, featuring a black dial and minimalist design.

• Condition: Excellent, some surface scratches on AR coating
• Case Material: Satinized stainless steel
• Diameter: 38.5mm
• Thickness: 11mm

A Sinn 556i RS sold as a full kit with various accessories, purchased in August 2025 and showing minimal signs of wear.

• Condition: Like new with minimal wear
• Bracelet type: Sinn H-Link Bracelet
• Movement accuracy: +1-3 s/d

A Sinn 556i watch with a Jan 2025 production date is being sold in its original box and papers. It comes with additional accessories.

• Condition: very good condition with minor wear on the clasp
• Box and papers included: true
• Extras: [object Object],[object Object]

This Sinn 556 I features an Ice Blue Guilloche dial, and the listing includes various straps and accessories such as the original box, papers, and manual. The watch has been worn for three months but remains in excellent condition.

• Condition: Excellent overall with light signs of wear
• Purchase Date: October 2025
• Straps: 2 straps (Uncle Bracelet and original grey strap) plus textile Sinn strap

The Sinn 556i RS is a high-quality timepiece that is rarely worn, stored in a protective case, and handled with great care. It comes with warranty and has no signs of wear.

• Condition: Excellent condition
• Warranty: still under warranty

This Sinn 556i RS is a recent model from 2023, sold with its original box and papers.

• Condition: Like new
• Year: 2023
• Box And Papers: yes

A Sinn 556I with a red second hand is being sold for $1,500 shipped.

This Sinn 556I RS is a well-cared-for watch, which keeps fantastic time. It's part of a full kit and comes with a warranty still valid as of November 2023.

• Condition: Excellent with minor desk rash on the bracelet
• Size: 38.5mm diameter
• Bracelet links remaining: some
• Strap included: leather, matching Sinn strap

Selling my Sinn 556i, a full kit with original papers dated Nov 6, 2022. It's been worn lightly in rotation and is in very good condition.

• Condition: Very good
• Case: 38.5mm diameter
• Lug-to-lug: 45.5mm
• Thickness: 11mm