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
47
Listings

Families

Classic Timepieces

Diving Watches

Frankfurt Financial District

Instrument Chronographs

Instrument Watches

Ladies Watches

Special Edition

Current Listings

[WTS] Sinn UX SDR (non-T) with Sinn rubber strap

Sinn UX SDR (non-T) with Sinn rubber strap

Sinn - UX SDR · $2,400
This Sinn UX SDR features a non-tegimented case, black rubber strap with quick-adjust clasp, and a black bezel. The crystal has minimal wear.

  • Condition: Pre-owned, some wear on bezel and bracelet
  • Strap: black rubber strap w/ quick-adjust clasp
  • Wrist Size: 7 inch wrist, rubber strap cut to fit
Posted at
Apr 18, 2026, 3:06 PM
Active
View listing on r/WatchExchange
[WTS] Sinn 104 St Sa Arabic numerals (under Watchbuys warranty)

Sinn 104 St Sa Arabic numerals (under Watchbuys warranty)

Sinn - 104 St Sa Arabic numerals · $1,650
This Sinn 104 St Sa features Arabic numerals, a new Quick-Adjust bracelet, and is still under Watchbuys' warranty. The watch has some noticeable scratches on the clasp and minimal scratches on brushed parts.

  • Condition: Pre-owned with scratches and hairline marks on the case and bracelet
  • Bracelet type: Quick-Adjust
  • Warranty status: Under 2-year warranty from Watchbuys
Posted at
Apr 18, 2026, 2:15 PM
Active
View listing on r/WatchExchange
[WTS] Sinn 556i on Ginault bracelet

Sinn 556i on Ginault bracelet

Sinn - 556i · $1,199
This Sinn 556i is a watch for sale on a Ginault oyster-style bracelet, purchased from an authorized dealer in June 2024. It features moderate buckle rash and light wear throughout the bezel and bracelet.

  • Condition: Good, with some scratches and moderate buckle rash
  • Bracelet type: Ginault oyster-style
  • Year of purchase: 2024
  • Purchase location: Watchbuys
Posted at
Apr 18, 2026, 12:05 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 · $1,350
A Sinn 104 St Sa A in black with an H-link bracelet, considered to be in mint condition with only minor scratches.

  • Condition: 9/10 - mint condition with scratches on bracelet
  • Accessories: full-kit (without Sinn tool)
Posted at
Apr 17, 2026, 3:05 AM
Active
View listing on r/WatchExchange
[WTS] Sinn 104 Blue w/ H-link bracelet

Sinn 104 Blue w/ H-link bracelet

Sinn - 104 Blue · $1,350
Looking to sell a Sinn 104 Blue with H-link bracelet, in great condition. The watch comes with accessories.

  • Condition: 8.5/10 with mainly scratches on bracelet and hairlines on case sides
  • Accessories: full-kit (without Sinn tool)
  • Payment Methods: Wise/Revolut/Crypto, Paypal F&F or G&S
Posted at
Apr 17, 2026, 3:03 AM
Active
View listing on r/WatchExchange
[WTS] Sinn 104 RS Matte Special Edition $2300 plus shipping. Paypal

Sinn 104 RS Matte Special Edition $2300 plus shipping. Paypal

Sinn - 104 RS · $2,300
The Sinn 104 RS Matte Special Edition features a white dial, red seconds hand, and is available with a non micro adjust clasp or the matte quick adjust clasp.

  • Condition: Exceptional
  • Bracelet condition: one snail trail on the 6 o'clock side
  • Crystal condition: perfect
Posted at
Apr 16, 2026, 1:43 PM
Active
View listing on r/WatchExchange
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
Active
View listing on RolexForums
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
Active
View listing on RolexForums
Sinn U1 Diver Black Dial 44MM 1010.010

Sinn U1 Diver Black Dial 44MM 1010.010

Sinn - 1010.010 · $1,235
The Sinn U1 Diver is a mechanical automatic watch with a stainless steel case and black dial, featuring a date function.

  • Condition: 90%
  • Case size: 44mm
  • Movement type: Mechanical Automatic
Posted at
Feb 11, 2025, 10:08 AM
Active
View listing on RolexForums