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
33
Listings

Families

Classic Timepieces

Diving Watches

Frankfurt Financial District

Instrument Chronographs

Instrument Watches

Ladies Watches

Special Edition

Current Listings

[WTS] Sinn 556. Box, Papers. $1150 only..

Sinn 556. Box, Papers. $1150 only..

Sinn - 556 · $1,150
A Sinn 556 is being sold, complete with its box and papers.

  • Location: New Jersey USA
  • Shipping Options: Fedex with insurance globally accepted
Posted at
Jan 26, 2026, 7:37 PM
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[WTS] Sinn U50-T SDR Fully Tegimented - Plus Many Extras

Sinn U50-T SDR Fully Tegimented - Plus Many Extras

Sinn - U50-T SDR · $2,850
This Sinn U50-T SDR is a fully tegimented version with no to very little signs of wear, featuring a tegimented steel case and bracelet.

  • Condition: Mint condition, some very minor marks on the clasp
  • Box Type: Inner and outer
  • Strap1: FKM black
  • Strap2: Red from Barton
Posted at
Jan 25, 2026, 3:14 PM
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[WTS] Sinn x Audi Design "Circle" 36mm Limited Edition ref. 9901.040

Sinn x Audi Design "Circle" 36mm Limited Edition ref. 9901.040

Sinn - 9901.040 · $850
The Sinn x Audi Design 'Circle' Limited Edition is a 36mm Swiss automatic watch with a black dial and 10.5mm thickness.

  • Condition: Excellent watch head, very good strap with discoloration
  • Case Thickness: 10.5mm
  • Water Resistance: 10ATM
  • Movement: Swiss automatic
Posted at
Jan 25, 2026, 12:59 PM
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[WTS] Sinn 104 Bracelet

Sinn 104 Bracelet

Sinn - 104
A Sinn 104 bracelet for sale, including extra links and adjustment tools.

  • Condition: Decent shape
  • Bracelet type: 104
Posted at
Jan 25, 2026, 10:15 AM
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[WTS] Sinn 556 I Mother-of-Pearl S - Black MOP Dial - Full Set - 2025

Sinn 556 I Mother-of-Pearl S - Black MOP Dial - Full Set - 2025

Sinn - 556 I Mother-of-Pearl S · $1,720
This Sinn 556 I features a unique black Mother-of-Pearl dial that shifts colors in the light, with applied indices and no date window for a cleaner aesthetic.

  • Condition: Very good pre-owned condition
  • Case size: 44mm diameter
  • Material: Stainless steel
  • Dial material: Mother-of-Pearl
Posted at
Jan 25, 2026, 2:19 AM
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[WTS] Sinn 556 Automatic

Sinn 556 Automatic

Sinn - 556 Automatic · $999
The Sinn 556 Automatic is in excellent condition with a flawless sapphire crystal. It has been worn but well cared for.

  • Condition: Great shape with minor marks from careful wear
  • Box Contents: Full kit including inner/outer Sinn box, warranty card, all original links for the bracelet, and Sinn tool
Posted at
Jan 24, 2026, 4:18 PM
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[WTS] Sinn 556. $1050

Sinn 556. $1050

Sinn - 556 · $1,050
For sale is my excellent condition Sinn 556, the watch has been worn but cherished and includes a full kit.

  • Condition: Excellent condition with minor marks and no major dings or deep scratches
  • Case material: Bead-blasted stainless steel
  • Water resistance: 20 ATM
Posted at
Jan 24, 2026, 11:33 AM
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[WTS] Sinn 103 Klassik 12 Reverse Panda 🐼🔥 Ultra Rare Limited Edition Ceramic Bezel Lacquer Dial Automatic Chronograph on Sinn H Link Quick Adjust Bracelet - Mint Full Kit - (comps $5K+ w/o bracelet) - $4400 shipped CONUS

Sinn 103 Klassik 12 Reverse Panda 🐼🔥 Ultra Rare Limited Edition Ceramic Bezel Lacquer Dial Automatic Chronograph on Sinn H Link Quick Adjust Bracelet - Mint Full Kit - (comps $5K+ w/o bracelet) - $4400 shipped CONUS

Sinn - 103 Klassik 12 Reverse Panda · $4,400
This Sinn 103 Klassik 12 Reverse Panda is an ultra-rare limited edition watch featuring a ceramic bezel and lacquer dial. It's part of a 600-piece run that's now sold out.

  • Condition: Minty, minor flea bites
  • Bracelet: Sinn H Link Quick Adjust
  • Straps: 2 original leather straps, unworn
  • Production run: Limited to 600 pieces
Posted at
Jan 23, 2026, 5:04 PM
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[WTS] Sinn 206 Arktis II EXTREME WEATHER Ice Blue Automatic Chronograph on Latest Sinn H Link Quick Adjust Bracelet - STUNNING - Full Kit - Great Condition - Ultra Rare - Still Under Factory Warranty - $6000 MSRP and sold out, only $3800 shipped CONUS

Sinn 206 Arktis II EXTREME WEATHER Ice Blue Automatic Chronograph on Latest Sinn H Link Quick Adjust Bracelet - STUNNING - Full Kit - Great Condition - Ultra Rare - Still Under Factory Warranty - $6000 MSRP and sold out, only $3800 shipped CONUS

Sinn - 206 Arktis II · $3,800
The Sinn 206 Arktis II is a stunning Ice Blue Automatic Chronograph with extreme weather resistance and a gorgeous electroplated blue sunburst dial. It features a tapering bracelet, polished accents, and pushers that can be operated underwater.

  • Condition: Great Condition
  • Bracelet: Sinn's OEM H Link Quick Adjust Clasp
  • Warranty: Still under factory warranty for 9 months
  • Original Clasp: Included
Posted at
Jan 23, 2026, 2:59 PM
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