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.

155
Watches
7
Families
23
Listings

Families

Classic Timepieces

Diving Watches

Frankfurt Financial District

Instrument Chronographs

Instrument Watches

Ladies Watches

Special Edition

Current Listings

[WTS] Sinn U1 full kit $1900

Sinn U1 full kit $1900

Sinn - U1 · $1,900
Selling a Sinn U1 full kit, including additional OEM rubber strap, links, spring bars, and Sinn tool.

  • Kit: full kit
  • Strap: OEM rubber strap
  • Links: additional links
Posted at
Oct 25, 2025, 6:20 PM
Active
View listing on r/WatchExchange
[WTS] Sinn 144 Tritium dial $1450 CONUS

Sinn 144 Tritium dial $1450 CONUS

Sinn - 144 · $1,450
This Sinn 144 features a tritium dial with gorgeous patina and a good timekeeping watch.

  • Condition: Great shape for its age
  • Strap: aftermarket carbon fiber strap
Posted at
Oct 23, 2025, 7:42 PM
Active
View listing on r/WatchExchange
[WTS] Sinn 103 TiAr w Titanium Bracelet $2250 shipped CONUS

Sinn 103 TiAr w Titanium Bracelet $2250 shipped CONUS

Sinn - 103 TiAr · $2,250
The watch is a Sinn model 103 TiAr with titanium bracelet, featuring an exhibition caseback and clean crystal. It has been serviced by the previous owner and runs strong.

  • Condition: pre-owned, slight wear on bezel and bracelet clasp
  • Bracelet condition: titanium, tight fit
  • Servicing history: serviced by previous owner
  • Box included: large Sinn box
Posted at
Oct 23, 2025, 7:28 PM
Active
View listing on r/WatchExchange
[WTS] SINN 556A – Full Kit, Like New w/ Stickers

SINN 556A – Full Kit, Like New w/ Stickers

Sinn - 556A · $3,000
  • Condition: Like New
  • Kit: Full kit
Posted at
Oct 23, 2025, 6:42 PM
Active
View listing on r/WatchExchange
[WTS] Sinn 556 RS 2023 Box & Papers

Sinn 556 RS 2023 Box & Papers

Sinn - 556 RS · $1,199
A Sinn 556 RS, a 2023 model with box and papers, featuring a 7.75" bracelet.

  • Year Of Production: 2023
Posted at
Oct 23, 2025, 3:09 PM
Active
View listing on r/WatchExchange
[WTS] Sinn 103 St Ty Hd

Sinn 103 St Ty Hd

Sinn - 103 St Ty Hd · $2,200
A Sinn 103 St Ty Hd limited edition watch that has been worn only a few times and is in excellent condition. It measures 41mm diameter and 47.5mm lug to lug, and runs perfectly with chrono functions resetting correctly.

  • Condition: Near mint, worn only a few times
  • Model Type: limited edition
  • Included Accessories: box, papers, warranty card, aftermarket leather straps
Posted at
Oct 23, 2025, 2:11 PM
Active
View listing on r/WatchExchange
[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 · $1,500
A Sinn 104 St Sa A - Black watch with H-link bracelet is being sold in mint condition. It has minor scratches on the bracelet but should be otherwise clean. The watch comes with a full-kit and a 2024 Set.

  • Condition: Mint condition with minor scratches on bracelet
  • Bracelet type: H-link
  • Accessories included: Full-kit (without Sinn tool)
  • Payment methods: Paypal F&F or G&S, Wise/Revolut, Zelle
Posted at
Oct 22, 2025, 1:40 AM
Active
View listing on r/WatchExchange
[WTS] Sinn 105 St Sa UTC Full Set - Reduced Price!

Sinn 105 St Sa UTC Full Set - Reduced Price!

Sinn - 105 St Sa UTC · $1,475
This is a Sinn 105 St Sa UTC full set, which includes the watch, boxes, papers, an additional Sinn silicone strap, extra links/springs, and CONUS shipping. The watch has a clear crystal aside from a very small bezel ding at 10 o'clock and some small scuffs on the bracelet.

  • Condition: great condition with minor scratches and a small ding at the bezel
  • Shipping: CONUS shipping included
Posted at
Oct 20, 2025, 6:56 PM
Active
View listing on r/WatchExchange
[WTS] Sinn 556 MOP

Sinn 556 MOP

Sinn - 556 MOP · $1,600
Up for sale is a Sinn 556 MOP Mother of Pearl watch with a Sellita SW200-1 movement and 200m water resistance.

  • Condition: Great
  • Case Diameter: 38.5mm
  • Lug Width: 20mm
  • Water Resistance: 200m depth rating
Posted at
Oct 20, 2025, 4:31 PM
Active
View listing on r/WatchExchange