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.


Families


Current Listings

[WTS] Sinn 356 Flieger 2026 Full Kit

Sinn 356 Flieger 2026 Full Kit

Sinn - 356 Flieger 2026 · $2,900
A brand new Sinn 356 Flieger pilot's watch featuring a bead blasted finish and domed acrylic crystal, powered by the Sellita SW500 movement.

  • Condition: Brand new with less than 10 minutes of wrist time
  • Case material: Bead blasted stainless steel
  • Movement type: Sellita SW500 (Valjoux 7750 chrono)
  • Crystal type: Domed acrylic
Posted at
Jan 17, 2026, 5:31 PM
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[WTS] Sinn 103 Classic 12 Limited Edition Reverse Panda Automatic Chronograph - Full Kit + Latest Sinn H Link Bracelet, Quick Adjust Clasp

Sinn 103 Classic 12 Limited Edition Reverse Panda Automatic Chronograph - Full Kit + Latest Sinn H Link Bracelet, Quick Adjust Clasp

This Sinn Klassik 12 reverse panda Automatic Chronograph is a stunning limited edition watch from a 600-piece run, featuring a sapphire sandwich dial. It comes with the latest Sinn Quick Adjust bracelet and two unworn leather straps.

  • Condition: Minty with minor flea bites
  • Bracelet: Latest Sinn Quick Adjust H Link bracelet purchased from Watchbuys
  • Straps: Two original leather straps, unworn
Posted at
Jan 17, 2026, 3:34 PM
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[WTS] Sinn 656.3945 Pilots Watch

Sinn 656.3945 Pilots Watch

Sinn - 656.3945 · $1,750
The Sinn 656.3945 Pilots Watch is a highly functional and durable watch from German company Sinn Spezialuhren, founded in 1961. It features magnetic field protection, an ETA 2824-2 movement, and a nickel-free caseback. The bead blasted stainless steel case has minimal wear.

  • Condition: excellent condition
  • Movement: ETA 2824-2
  • Case size: 38.5mm diameter
  • Case material: bead blasted stainless steel
Posted at
Jan 16, 2026, 7:22 PM
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[WTS] Sinn 356 BEAMS 45th Limited - *1 of 100*

Sinn 356 BEAMS 45th Limited - *1 of 100*

This listing is for a limited edition Sinn 356 Chrono BEAMS 45th Anniversary watch. It's one of only 100 units produced and is in excellent condition, with very few hairlines or marks.

  • Condition: Great condition, very few hairlines or marks
  • Serial number: 1 of 100
  • Warranty card date: late 2022
  • Movement rating: COSC
Posted at
Jan 16, 2026, 12:20 PM
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[WTS] Sinn 556 556 A RS - 2025 Like New

Sinn 556 556 A RS - 2025 Like New

Sinn - 556 · $8,000
  • Condition: Like New
  • Model variant: A RS - 2025
Posted at
Jan 15, 2026, 11:38 PM
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[WTS] Sinn 105 St Sa

Sinn 105 St Sa

Sinn - 105 St Sa · $1,000
For sale is my Sinn 105 St Sa in black, it is in great condition with and some scratches on the bracelet.

  • Condition: Great with scratches on the bracelet
  • Price threshold: $2,000
  • Shipping options: Conus or pickup near Davis, CA
Posted at
Jan 14, 2026, 11:39 PM
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[WTS] Sinn 356 Flieger Sa Display Back on Strap - Sapphire Crystal - Mint Condition - 39mm Automatic Chronograph - Full Kit - retails $3440 on WatchBuys and Sold Out - Only $2600 shipped CONUS

Sinn 356 Flieger Sa Display Back on Strap - Sapphire Crystal - Mint Condition - 39mm Automatic Chronograph - Full Kit - retails $3440 on WatchBuys and Sold Out - Only $2600 shipped CONUS

Up for sale is my Sinn 356 Flieger Sa Display Back on Strap, a sapphire variant with a gorgeous leather strap and contrast stitching. The watch features an automatic mechanical movement.

  • Condition: Mint Condition
  • Water resistance: 100m depth rating
  • Case material: Stainless steel
  • Movement caliber: SW500
Posted at
Jan 14, 2026, 7:53 PM
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[WTS] Sinn 157 Ti Ty

Sinn 157 Ti Ty

Sinn - 157 Ti Ty · $2,300
A vintage Sinn 157 Ti Ty watch with tritium lume, D3 pushers for water resistance, and a unique design. The watch features a Lemania 5100 movement and is part of a larger collection.

  • Condition: Pre-owned, with minor scuffs and a small ding
  • Year Of Manufacture: 2005
  • Water Resistance: Superior (D3 pushers)
  • Movement: Lemania 5100
Posted at
Jan 14, 2026, 6:12 PM
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[WTS] Speedy Panda KILLER: Sinn 103 Classic 12 Automatic Chronograph - ULTRA RARE MINT Limited Edition Panda Lacquer Dial/Ceramic Bezel - On latest Sinn H Link Quick Adjust Bracelet - Full Kit (includes two OEM Sinn straps unworn) - $4999 shipped CONUS FIRM

Speedy Panda KILLER: Sinn 103 Classic 12 Automatic Chronograph - ULTRA RARE MINT Limited Edition Panda Lacquer Dial/Ceramic Bezel - On latest Sinn H Link Quick Adjust Bracelet - Full Kit (includes two OEM Sinn straps unworn) - $4999 shipped CONUS FIRM

Sinn - 103 Classic 12 · $4,999
This Sinn 103 Klassik 12 limited edition is a 200m water resistant and pressure resistant mechanical chronograph with a unique panda lacquer dial.

  • Condition: MINT
  • Bracelet Length: 7.7 inches
  • Water Resistance: 200m
  • Pressure Resistance: unknown
Posted at
Jan 14, 2026, 5:50 PM
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