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] Sinn 556 Annivesary 1961-2016 LE w/ H-link bracelet

Sinn 556 Annivesary 1961-2016 LE w/ H-link bracelet

Sinn - 556 Annivesary 1961-2016 LE · $1,500
This Sinn 556 Anniversary watch is a limited edition model from 1961-2016, featuring an H-link bracelet. It's in great condition overall, with some minor marks.

  • Condition: great condition with minor scratches and hairlines on bracelet and case, outer AR coating has some hairlines
  • Bracelet type: H-link
  • Accessories included: full-kit (excluding Sinn tool)
  • Shipping method: Fedex
Posted at
Apr 23, 2026, 12:50 AM
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[WTS] Sinn 556i Blue

Sinn 556i Blue

Sinn - 556i · $1,650
The Sinn 556i Blue is a GADA watch with a blue dial that's perfect for summer. It features a silver rotor and has been worn lightly only four times.

  • Condition: Like New and truly excellent condition
  • Watch Diameter: 38.5mm diameter
  • Lug Width: 20mm lug width
  • Lug To Lug: 45.5mm lug to lug
Posted at
Apr 22, 2026, 8:12 PM
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[WTS] Sinn U15 41mm Limited Edition 1000 Pcs Dive Watch SW300 - Minty - Full Kit - June 2025 - Made of Decommissioned Submarine Steel - Sold Out - $3550 shipped CONUS

Sinn U15 41mm Limited Edition 1000 Pcs Dive Watch SW300 - Minty - Full Kit - June 2025 - Made of Decommissioned Submarine Steel - Sold Out - $3550 shipped CONUS

Sinn - U15 · $3,550
This Sinn U15 is a unique dive watch made from decommissioned submarine steel, featuring a stunning sheen and a 3D bubble ocean laquered dial. It has a satinized steel case with a 500-meter water resistance and an automatic mechanical movement.

  • Condition: Very good
  • Case material: Decommissioned submarine steel
  • Water resistance: 500m depth rating
  • Diameter: 41mm diameter
Posted at
Apr 22, 2026, 12:14 PM
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[WTS] Sinn U50 - T - $2150

Sinn U50 - T - $2150

Sinn - U50-T · $2,150
A Sinn U50 - T in excellent condition with no visible marks on the case, bezel or crystal. The silicone strap is sized to 7.25 and has normal signs of wear.

  • Condition: Excellent condition
  • Case condition: no visible marks
  • Bezel condition: no visible marks
  • Crystal condition: no visible marks
Posted at
Apr 21, 2026, 9:06 PM
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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
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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
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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
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Sinn 104 St Sa I Classic Pilot Watch

Sinn 104 St Sa I Classic Pilot Watch

Sinn - 104 · $1,170
This Sinn 104 St Sa I Classic Pilot Watch is a mechanical automatic watch with a stainless steel case and features date and day functions.

  • Condition: 90%
  • Size: 41mm diameter
  • Functionality: date/day
Posted at
Feb 11, 2025, 10:04 AM
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Sinn U212 SE Limited Edition

Sinn U212 SE Limited Edition

Sinn - 212.001 · $4,500
The Sinn U212 SE limited edition is a large watch made by Sinn, with a case size of 47mm and a height of 54mm.

  • Condition: Mint
  • Case Size: 47 mm diameter
  • Height: 54 mm
  • Thickness: 14 mm
Posted at
Jan 31, 2025, 6:50 AM
Active
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