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
38
Listings

Families

Classic Timepieces

Diving Watches

Frankfurt Financial District

Instrument Chronographs

Instrument Watches

Ladies Watches

Special Edition

Current Listings

[WTS] Sinn Space Chrono (Ref. 142)

Sinn Space Chrono (Ref. 142)

Sinn - 142 · $2,249
This Sinn Space Chrono features a matte black dial, Lemania 5100 movement, and a 43mm case. The watch is running on spec but has unknown service history.

  • Condition: Excellent (minor marks on crystal and case)
  • Movement: Lemania 5100
  • Case Diameter: 43mm
  • Lug To Lug Length: 45mm
Posted at
Apr 22, 2025, 4:19 PM
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[WTS] Sinn 104 St Sa I full kit, with H Link bracelet, extra straps and leather pouch $1150 shipped

Sinn 104 St Sa I full kit, with H Link bracelet, extra straps and leather pouch $1150 shipped

Sinn - 104 St Sa I · $1,150
This Sinn 104 is a pre-owned watch that runs well, despite having some minor scratches on the lugs and polished parts of the bracelet.

  • Condition: Used
  • Box: yes
  • Paper: yes
  • Strap tool: yes
Posted at
Apr 22, 2025, 2:06 AM
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[WTS] Sinn 556

Sinn 556

Sinn - 556 · $3,500
A description of the watch being sold, but it's not provided here.

  • Water resistance: 200m depth rating
Posted at
Apr 21, 2025, 6:31 PM
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[WTS] Sinn Fine Link Braceler for 356/556

Sinn Fine Link Braceler for 356/556

Sinn - 356/556 · $250
A Sinn Fine Link bracelet designed to fit watches with reference numbers 356 or 556. It features a 6.7-inch wrist size with two additional links, making it suitable for a 7-inch wrist.

  • Condition: fair amount of use
  • Length: 7 inches
  • Additional Links: 2
Posted at
Apr 21, 2025, 10:06 AM
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[WTS] UNUSED and unworn German SINN 103 StA Aviators automatic day/date chronograph. NOS.

UNUSED and unworn German SINN 103 StA Aviators automatic day/date chronograph. NOS.

Sinn - 103 StA · $1,600
This Sinn 103 StA Aviators automatic day/date chronograph features a Swiss movement ETA VALJOUX 7750 and is sold as seen.

  • Condition: Unused and unworn (new old stock)
  • Movement: ETA VALJOUX 7750
  • Location: Ottawa, Canada
Posted at
Apr 20, 2025, 4:39 PM
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[WTS] Sinn U50 SL Tegimented L.E on bracelet (ceramic lume dial) - $3100

Sinn U50 SL Tegimented L.E on bracelet (ceramic lume dial) - $3100

Sinn - U50 SL · $3,100
This Sinn U50 SL Tegimented Limited Edition watch features a ceramic lume dial and is available on a bracelet. It has been worn in rotation since September 2024 with minimal signs of wear, making it a great option for those looking for a high-quality timepiece.

  • Condition: Very good
  • Tegimented case and bracelet: true
  • Ar coating on crystal: clean
  • Year purchased: 2024
Posted at
Apr 20, 2025, 2:07 PM
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[WTS] Sinn U1. SE. Full Kit.

Sinn U1. SE. Full Kit.

Sinn - U1. SE · $1,750
A Sinn U1. SE watch for sale, complete with full kit and box.

  • Shipping: Fedex with insurance
  • Location: NJ USA
  • Facetime: true
Posted at
Apr 20, 2025, 11:14 AM
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[WTS] [EU] *reduced* Sinn 104 St Sa I W Matte - Limited edition with matte case finishing

[EU] *reduced* Sinn 104 St Sa I W Matte - Limited edition with matte case finishing

Sinn - 104 St Sa I W Matte · $1,500
This limited edition Sinn 104 has a matte case finish, was produced for the US market and sold new in March 2021. It has recently undergone an overhaul and is running perfectly with minimal signs of wear.

  • Condition: Minimal wear
  • Case diameter: 41mm
  • Case thickness: 11.9mm
  • Lug-to-lug: 47mm
Posted at
Apr 20, 2025, 10:08 AM
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[WTS] Sinn 356 Pilot "Copper Dial" on strap | German only/Acrylic ver | $2100

Sinn 356 Pilot "Copper Dial" on strap | German only/Acrylic ver | $2100

Sinn - 356 Sa I (First Edition) · $2,100
The Sinn 356 Pilot is a true collector's piece from 2013, featuring an acrylic crystal and solid caseback. It has been recently overhauled and is running perfectly. The watch boasts stunning copper dial with high legibility and a Swiss automatic chronograph movement.

  • Condition: Excellent – no scratches/dents, just light wear.
  • Case size: 38.5mm diameter
  • Dial material: copper
  • Movement type: Swiss automatic chronograph (25 jewels)
Posted at
Apr 20, 2025, 10:06 AM
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