Sinn 857 UTC

The Sinn 857 UTC is a robust pilot’s watch celebrated for its durability, functionality, and precision. It features dual time zones (UTC), making it ideal for travelers and aviation enthusiasts. If you’re looking to purchase this watch with the original box and papers, here’s some detailed information:

Key Features of Sinn 857 UTC

• Case: Stainless steel, Tegiment technology for enhanced scratch resistance.
• Diameter: 43 mm
• Movement: Automatic, SW330-1
• Functions:
  • Time with second time zone (UTC)
  • Date display
  • Anti-magnetic and shock-resistant (DIN 8309 and ISO 1413 standards)
• Dial: Matte black, highly legible with luminous hands and markers.
• Crystal: Sapphire, anti-reflective coating on both sides.
• Water Resistance: Up to 200 meters (20 bar).
• Bezel: Pilot’s bezel, bidirectional with minute ratcheting.
• Strap Options: Leather, steel bracelet, or silicone strap.

Buying with Box and Papers

When purchasing a pre-owned Sinn 857 UTC:

1. Verify Authenticity: Ensure the serial number on the case matches the paperwork.
2. Inspect Condition: Check for scratches, dents, and signs of wear on the case and bezel.
3. Box and Papers:
   • Original Sinn box.
   • Warranty card (typically stamped by the authorized dealer).
   • Instruction manual and other original documentation.

Where to Look

• Authorized Dealers: Sinn’s website lists dealers where pre-owned pieces might be available.
• Online Marketplaces: Trusted platforms like Chrono24 or WatchBox.
• Watch Forums: Communities like Watchuseek often have listings for Sinn watches.

Why Box and Papers Matter

• Value Retention: Enhances the watch’s resale value.
• Provenance: Confirms authenticity and service history.
• Collector Appeal: Complete sets are more desirable.

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