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.

12
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 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
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[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
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[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
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[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
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[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
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[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
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[WTS] Sinn 104 Black Full Set

Sinn 104 Black Full Set

Sinn - 104 · $1,200
Sinn 104 Black with box and papers for sale. Includes various accessories such as straps and a timegrapher report.

  • Condition: Pre-owned with minor wear
  • Water Resistance: 200m depth rating
  • Strap Included: 1 x maroon MN strap, 1 x Crown & Buckle Supreme NATO in Cypress
Posted at
Oct 31, 2025, 10:10 AM
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[WTS] Sinn 103 St Ty Hd limited

Sinn 103 St Ty Hd limited

Sinn - 103 St Ty Hd limited edition · $2,000
This Sinn watch measures 41mm in diameter and has a lug to lug length of 47.5mm.

  • Condition: Near mint
  • Case Size: 41mm diameter
  • Lug To Lug Length: 47.5mm
  • Included Accessories: Unused aftermarket leather straps, box, papers, warranty card
Posted at
Oct 30, 2025, 1:33 PM
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[WTS] Sinn 556i with H-Link Bracelet and Leather Strap. 1000 USD + Shipping. Serviced (by Sinn), one owner, all documentation [EU Seller]

Sinn 556i with H-Link Bracelet and Leather Strap. 1000 USD + Shipping. Serviced (by Sinn), one owner, all documentation [EU Seller]

Sinn - 556i · $1,000
A Sinn 556i daily driver from 2015, sold due to reduced wear. Serviced regularly by Sinn, last service in December 2023.

  • Condition: Pre-owned with light scratches and dings
  • Bracelet: H-Link Bracelet with extra links
  • Leather strap: HIRSCH strap (equivalent quality) with original Sinn buckle
  • Service history: Serviced regularly by Sinn, last service in December 2023
Posted at
Oct 26, 2025, 9:59 AM
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