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 556 Carnelian Red w Bracelet - $2,250 - New

Sinn 556 Carnelian Red w Bracelet - $2,250 - New

Sinn - 556 · $2,250
This is a limited edition Sinn 556 Carnelian Red watch powered by the Sellita SW200 movement, featuring a beautiful red/orange dial and 200m water resistance. The watch comes with a brand new Sinn bracelet with micro adjustments, an orange rubber strap with deployment clasp, and includes free shipping within CONUS.

  • Condition: Brand New
  • Movement: Sellita SW-200 automatic
  • Water Resistance: 200m depth rating
  • Case Dimensions: 38.5mm width, 46mm lug to lug length, 20mm lug spacing, 11mm thickness
Posted at
Nov 4, 2025, 9:12 PM
Active
View listing on r/WatchExchange
[WTS] Sinn 104 Anthracite + Hamilton Khaki Mechanical – Both Full Set

Sinn 104 Anthracite + Hamilton Khaki Mechanical – Both Full Set

Sinn - 104 · $4,300
A listing for two watches, the Sinn 104 Anthracite and the Hamilton Khaki Mechanical.

  • Sinn 104 details: Full set with box, papers, and original strap
  • Hamilton khaki details: Full set with box, papers, and original strap
Posted at
Nov 3, 2025, 9:49 PM
Active
View listing on r/WatchExchange
[WTS] [WTT] Sinn 144 titanium

[WTT] Sinn 144 titanium

Sinn - 144 · $2,400
A Sinn 144 titanium from 2002, with a serviced movement that keeps excellent time. The watch has some cosmetic damage but still works flawlessly.

  • Condition: well-loved, serviced in 2023
  • Year Of Manufacture: 2002
  • Bracelet Type: titanium original
Posted at
Nov 3, 2025, 3:04 PM
Active
View listing on r/WatchExchange
[WTS] Sinn 104 St Sa I – Black Dial – Full Box & Papers – Brown Leather Strap – Great Condition

Sinn 104 St Sa I – Black Dial – Full Box & Papers – Brown Leather Strap – Great Condition

Sinn - 104 St Sa I · $980
A rugged and stylish pilot's watch with a black dial, featuring a SW220-1 automatic movement and 200m water resistance.

  • Condition: Gently used
  • Case Size: 41 mm diameter
  • Lug Width: 20 mm
  • Thickness: 11.5 mm
Posted at
Nov 3, 2025, 9:22 AM
Active
View listing on r/WatchExchange
[WTS] Sinn 356 Flieger II (Salmon) Display Back on Fine Bracelet

Sinn 356 Flieger II (Salmon) Display Back on Fine Bracelet

Sinn - 356 · $4,300
The listing is for a Sinn 356 Flieger II in salmon display back on fine bracelet.

  • Bracelet material: Fine metal (not specified)
  • Display caseback type: Display back
Posted at
Nov 2, 2025, 3:38 PM
Active
View listing on r/WatchExchange
[WTS] Sinn 556 on Fine Link Bracelet

Sinn 556 on Fine Link Bracelet

Sinn - 556 · $1,050
This Sinn 556 features a 38.5mm x 11mm case, black dial with white accents, and a fine link bracelet. It comes with a caliber 2824-2 automatic movement, sapphire crystal, and 20 bar water resistance.

  • Condition: Very Good, minor signs of use on the case and dives on the bracelet
  • Movement: Caliber 2824-2 automatic movement
  • Power reserve: 38 hours
  • Water depth rating: 200m (20 bar)
Posted at
Nov 2, 2025, 12:04 PM
Active
View listing on r/WatchExchange
[WTS] Sinn 556 Citrine yellow LE

Sinn 556 Citrine yellow LE

Sinn - 556 · $1,500
A Citrine yellow Sinn 556 is being sold by the second owner, who rarely wears it. It comes with a Sinn H link bracelet and original strap, as well as boxes and warranty card.

  • Condition: excellent, with some minor marks on the clasp
  • Case size: 40mm
  • Bracelet type: Sinn H link
Posted at
Nov 2, 2025, 10:53 AM
Active
View listing on r/WatchExchange
[WTS] Sinn 556 Citrine yellow LE

Sinn 556 Citrine yellow LE

Sinn - 556
  • Color: Citrine Yellow
  • Le: Limited Edition
Posted at
Nov 2, 2025, 10:53 AM
Active
View listing on r/WatchExchange
[WTS] Sinn 900 Diapal

Sinn 900 Diapal

Sinn - 900 Diapal · $2,300
A GMT, column wheel chronograph watch with date functionality, tegimented case and bracelet, and various features including ar dehumidifying, magnetic field protection, and water resistance up to 200m.

  • Bracelet type: Fine link
  • Included extras: full kit, Sinn leather strap
Posted at
Nov 1, 2025, 12:44 PM
Active
View listing on r/WatchExchange