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 556 A RS is a tool/everyday watch known for its legibility and robust build, featuring Arabic numerals and a striking red second hand.

• Condition: Very Good - Minor signs of wear from a desk job
• Case diameter: 38.5mm
• Thickness: 11mm
• Lug-to-lug distance: 45.5mm

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 556a rs model has a gold rotor that is no longer in production, and it is being sold with some minor hairline scratches on the clasp.

• Condition: almost-new
• Has Gold Rotor: yes (no longer in production)
• Has Hairline Scratches: on the clasp
• Free Shipping: in the US

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 fine German engineering watch with a matte black dial and red second hand, suitable for daily wear.

• Case diameter: 38.5mm
• Case height: 11.0mm
• Lug width: 20mm

A Sinn 556.0141 A RS in good condition, with an uncle seiko bracelet and original rubber strap. It keeps great time.

• Condition: Lightly used with light marks from daily use
• Bracelet type: Uncle Seiko bracelet
• Strap count: 2
• Includes: Rubber strap and original rubber strap

A Sinn 556 A RS full set with original shipping packing slips is available for sale. The watch was purchased in 2023, has been well cared for, but shows some normal wear on the bezel/bracelet and clasp dive marks.

• Condition: Heavy wear, minor marks on clasp, bezel and bracelet
• Age: 2023
• Shipping method: Venmo F&F or Zelle, insured to CONUS
• Communication methods: FaceTime/Whatsapp

The Sinn 556 A features a black dial and minimalist design, making it a standout piece for collectors and enthusiasts alike. It is a well-known watch from Sinn with signature technical prowess.

• Condition: Excellent
• Case material: Satinized stainless steel
• Diameter: 38.5mm
• Thickness: 11mm