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
45
Listings

Families

Classic Timepieces

Diving Watches

Frankfurt Financial District

Instrument Chronographs

Instrument Watches

Ladies Watches

Special Edition

Current Listings

[WTS] rare Sinn U1 SB - Full Kit - great shape with unique blue dial

rare Sinn U1 SB - Full Kit - great shape with unique blue dial

Sinn - U1 SB · $1,800
This rare Sinn U1 SB features a unique blue dial that changes to black in low light, making it a one-of-a-kind timepiece. The watch boasts a DLC finish, fully tegimented steel, and a impressive 1000m depth rating.

  • Condition: 8.5/10
  • Case Size: 44mm diameter
  • Material: Fully tegimented steel
  • Depth Rating: 1000m
Posted at
Apr 3, 2025, 8:43 PM
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[WTS] Sinn 556i RS on H-Link Bracelet, Full Kit

Sinn 556i RS on H-Link Bracelet, Full Kit

Sinn - 556i RS · $1,200
Up for sale is my Sinn 556i RS, a great condition watch that has been worn in office type settings.

  • Condition: great condition with minor wear
  • Bracelet: H-Link Bracelet
  • Size: ~7.25" wrist size
  • Links: 2 extra links
Posted at
Apr 3, 2025, 11:17 AM
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[WTS] Sinn U1 , Fully Tegimented, Full Kit 2016 - $1,850

Sinn U1 , Fully Tegimented, Full Kit 2016 - $1,850

Sinn - U1 · $1,850
Up for sale is my pristine condition Sinn U1. This watch measures at 44 mm and has an automatic SW 200-1 movement.

  • Condition: pristine condition, 9/10 exterior
  • Case size: 44mm diameter
  • Movement: SW 200-1
  • Bracelet condition: tegimented, almost no wear
Posted at
Apr 2, 2025, 10:40 PM
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[WTS] Sinn 903 St HB

Sinn 903 St HB

Sinn - 903 St HB
Posted at
Apr 2, 2025, 5:26 PM
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[WTS] Sinn Space Chrono (Ref. 142)

Sinn Space Chrono (Ref. 142)

Sinn - Ref. 142 · $2,249
This Sinn Space Chrono Ref. 142 features a Lemania 5100 movement, 43mm case diameter, and 45mm lug to lug length.

  • Condition: excellent condition with some minor marks and scratches
  • Movement: Lemania 5100
  • Case size: 43mm diameter
  • Lug to lug: 45mm
Posted at
Apr 1, 2025, 6:48 PM
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SINN U1 DS Limited Edition

SINN U1 DS Limited Edition

Sinn - U1 DS Limited Edition · $2,950
This Sinn U1 DS limited edition watch is a unique timepiece that keeps great time. It comes with a full kit including a bracelet and new rubber strap.

  • Condition: Pre-owned, with marks on lugs and clasp
  • Water resistance: 100m depth rating
  • Straps included: bracelet, rubber strap (Sinn pin and buckle)
  • Shipping coverage: CONUS (continental United States)
Posted at
Apr 1, 2025, 1:05 PM
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[WTS] Sinn 104 Blue with H-Link Quick Adjust Bracelet

Sinn 104 Blue with H-Link Quick Adjust Bracelet

Sinn - 104 · $1,700
A Sinn 104 watch with a blue dial and new quick adjust H link bracelet is for sale. The watch is in excellent condition, like new, and includes the original box, papers, and all bracelet links.

  • Condition: Excellent, Like New
  • Includes: Box,papers,all bracelet links
  • Payment Methods: paypal,venmo,zelle
Posted at
Apr 1, 2025, 11:51 AM
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[WTS] Sinn 356 Sa w/ Matte Finish Full Kit

Sinn 356 Sa w/ Matte Finish Full Kit

Sinn - 356 Sa · $2,400
A Sinn 356 Sa chronograph watch with a matte finish, purchased from the factory on November 7th, 2023, featuring a sapphire crystal and solid caseback.

  • Condition: Used with minor scratches and signs of wear, overhauled in February 2025
  • Warranty Duration: 2 years until November 7th, 2025
  • Language Display: German (days of the week)
Posted at
Mar 31, 2025, 4:25 PM
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[WTS] Sinn U1 T Full Set - Excellent - $1999

Sinn U1 T Full Set - Excellent - $1999

Sinn - U1 T · $1,999
A Sinn U1 T fully tegimented watch, part of a full set including all boxes and papers. It has a running error of -1spd.

  • Condition: Excellent
  • Tegimentation: full tegiment
  • Bracelet condition: normal wear on links
  • Crown nick depth: small
Posted at
Mar 31, 2025, 3:11 PM
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