Sinn

Founded in 1961 by flight instructor Helmut Sinn, the brand has established itself as a leader in professional tool watches. Their innovations include oil-filled cases for perfect underwater legibility and Tegiment technology for enhanced scratch resistance. The brand's expertise spans from pilot chronographs to professional diving watches, with collections like the U-series and 756/956 demonstrating their technical prowess. Each timepiece showcases their commitment to creating robust, functional instruments that meet the highest professional standards.


Families


Current Listings

[WTS] Sinn 910 Anniversary $4,950

Sinn 910 Anniversary $4,950

Sinn - 910 Anniversary · $4,950
a Sinn 910 Anniversary watch is being sold for $4,950. The additional details can be found in the Imgur link provided.

  • Image: https://imgur.com/a/OMJW7XL
Posted at
Jan 8, 2026, 9:01 PM
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[WTS] Sinn EZM3 41mm Full Kit 09/2022 $1550

Sinn EZM3 41mm Full Kit 09/2022 $1550

Sinn - EZM3 · $1,550
A straightforward and highly capable German tool watch built for professional use. It's a great everyday wearer due to its clean design and extreme durability.

  • Condition: Like new, minor cosmetic damage (ding on lower left lug)
  • Case diameter: 41mm
  • Thickness: 12.3mm
  • Lug-to-lug: 47mm
Posted at
Jan 7, 2026, 6:07 PM
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[WTS] Sinn 556i Weiss White Dial Limited Edition, RARE!

Sinn 556i Weiss White Dial Limited Edition, RARE!

This is a rare Limited Edition Sinn 556i Weiss White Dial watch, purchased brand new in 2015 and comes full set with inner and outer box, warranty card on a black leather strap. The indices and hands are all black superluminova.

  • Condition: Worn excellent condition (8.5/10), strap condition: 6/10
  • Year purchased: 2015
  • Original owner: yes (purchased from original owner)
  • Box and papers included: full set, inner and outer box, warranty card
Posted at
Jan 7, 2026, 12:33 PM
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[WTS] Sinn 104 St Sa A - Black with H-link bracelet

Sinn 104 St Sa A - Black with H-link bracelet

Sinn - 104 St Sa A · $1,400
A black Sinn 104 St Sa A watch with H-link bracelet, considered in mint condition, featuring mainly scratches on the bracelet.

  • Condition: mint condition with minor scratches
  • Bracelet type: H-link
  • Accessories included: full-kit (without sinn tool)
  • Shipping method: Fedex
Posted at
Jan 7, 2026, 9:31 AM
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[WTS] Sinn 556 citrine yellow 556.0114

Sinn 556 citrine yellow 556.0114

Sinn - 556.0114 · $1,450
A rare Sinn 556 citrine yellow watch in overall good condition, featuring a 9/10 rating with some minor imperfections.

  • Condition: 9/10 with minor imperfections
  • Accessories included: full-kit (except the sinn tool)
  • Bracelet status: not included
  • Payment methods: Paypal F&F or G&S, Wise/Revolut, Zelle
Posted at
Jan 7, 2026, 9:24 AM
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[WTS] Sinn 556 Carnelian Red 556.0116 LE

Sinn 556 Carnelian Red 556.0116 LE

Sinn - 556.0116 LE · $1,450
This rare Sinn 556 Carnelian Red is a unique and highly sought-after model, featuring a 40mm diameter case and a rich red color scheme.

  • Condition: 9/10 with minor imperfections on strap and case
  • Accessories: full-kit (except the sinn tool)
  • Shipping: shipped by Fedex
Posted at
Jan 7, 2026, 9:09 AM
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[WTS] Sinn 556 H-Link Steel Bracelet - Satinized Finish, Quick Adjust Buckle

Sinn 556 H-Link Steel Bracelet - Satinized Finish, Quick Adjust Buckle

This Sinn 556 is a high-quality watch featuring a satinized finish and H-link steel bracelet. It has been worn for only one week.

  • Condition: Excellent, with some light scuffing
  • Shipping cost: $20
  • Included items: quick adjust bracelet, end links, spring bars, allen wrenches
Posted at
Jan 6, 2026, 10:39 PM
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Sinn 144 St S Anniversary II Chronograph 144.083

Sinn 144 St S Anniversary II Chronograph 144.083

Sinn - 144.083 · $4,850
The Sinn 144 St S Anniversary II Chronograph is a high-end chronograph watch from the German brand Sinn, featuring a complete set with box and papers.

  • Condition: Like-new
  • Year of production: Not specified
  • Strap: Rubber strap, includes spring bar tool and extra strap with folding clasp
  • Warranty: 1 year provided by seller
Posted at
Mar 31, 2025, 1:52 AM
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Sinn U212 SE Limited Edition 47mm

Sinn U212 SE Limited Edition 47mm

Sinn - 212.001 · $4,500
The Sinn U212 SE limited edition is a large watch made by Sinn, featuring an automatic movement and 1000m water resistance.

  • Condition: Mint
  • Case Size: 47mm diameter
  • Height: 54mm height
  • Thickness: 14mm thickness
Posted at
Feb 21, 2025, 4:50 PM
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