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
34
Listings

Families

Classic Timepieces

Diving Watches

Frankfurt Financial District

Instrument Chronographs

Instrument Watches

Ladies Watches

Special Edition

Current Listings

[WTS] Sinn U212 EZM 16

Sinn U212 EZM 16

Sinn - U212 EZM 16 · $2,375
This Sinn U212 EZM 16 is a high-quality, automatic mechanical watch with a black dial and submarine steel case. It features a sapphire front crystal, matte finish, and water resistance of up to 1,000 meters. The watch also includes various accessories such as boxes, warranty card, Sinn tool, booklet, and mint, uncut Sinn OEM rubber.

  • Condition: Few light marks, like new except for some blemishes on AR coating
  • Case Back Material: Solid submarine steel
  • Diameter: 47mm diameter
  • Water Depth Rating: 1,000m
Posted at
Jun 14, 2025, 11:11 AM
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[WTS] 2021 Sinn 144 St S 60th Anniversary II - Full Kit, Limited Edition #470/600, Mint - Priced to sell $3100

2021 Sinn 144 St S 60th Anniversary II - Full Kit, Limited Edition #470/600, Mint - Priced to sell $3100

Sinn - 144 St S · $3,100
The Sinn 144 St S Anniversary II is a limited edition (1 of 600) watch with a black hard-coated Tegimented case, Ar dehumidifying tech, and a beautifully decorated movement visible through the caseback. It features a 41mm case, sapphire crystal, and a 7750-based automatic movement.

  • Condition: Mint, essentially like new
  • Case size: 41mm diameter
  • Movement: 7750-based automatic movement
  • Water resistance: 200m depth rating
Posted at
Jun 14, 2025, 9:12 AM
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Sinn EZM 9

Sinn EZM 9

Sinn - EZM 9 · $2,700.003
A Sinn EZM 9 watch in amazing condition, with a leather strap and COSC certification. The watch has no significant marks on the crystal or bezel, and the case is clean with only a possible hairline. It winds and sets without issues.

  • Condition: Excellent condition, almost no marks
  • Case material: Steel
  • Water resistance: 20 bar
Posted at
Jun 13, 2025, 1:05 PM
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[WTS] Sinn U50-T SDR Fully Tegimented

Sinn U50-T SDR Fully Tegimented

Sinn - U50-T SDR · $2,400
A tough and beautifully constructed watch with a thin design that wears well due to its short lug-to-lug length.

  • Condition: Excellent with a few very light marks on the clasp
  • Movement: SW300-1
  • Size: 41mm diameter
  • Thickness: 11.2mm
Posted at
Jun 13, 2025, 8:18 AM
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[WTS] Sinn 613 UTC, very good condition, full set—Repost!

Sinn 613 UTC, very good condition, full set—Repost!

Sinn - 613 UTC · $2,950
The Sinn 613 UTC is a high-quality watch with a full set of accessories, dated to March 2025. It is available for sale to CONUS buyers only.

  • Condition: very good condition
  • Owner: second owner
Posted at
Jun 12, 2025, 9:42 PM
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[WTS] Sinn U50-T S L with Bracelet + Strap

Sinn U50-T S L with Bracelet + Strap

Sinn - U50-T S L · $2,950
The Sinn U50-T S L is a high-end watch that offers a unique combination of style and functionality. It features a stainless steel case with a black dial and a rubber strap, making it a versatile timepiece for everyday wear.

  • Condition: good, aside from scratched clasp
  • Dimensions: 44mm diameter
  • Warranty Valid Until: Jun 2026
Posted at
Jun 12, 2025, 6:40 PM
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[WTS] Sinn 556i

Sinn 556i

Sinn - 556i · $925
A pre-owned Sinn 556i watch, featuring a 38.5mm stainless steel case, 11mm thickness, and 200m water resistance. The watch has a black dial with white indices and is powered by the SW200-1 automatic movement.

  • Condition: Pre-owned
  • Case Size: 38.5mm
  • Thickness: 11mm
  • Water Resistance: 200m
Posted at
Jun 11, 2025, 12:55 PM
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[WTS] Sinn EZM 3-F on W.O.E. Strap, box/papers

Sinn EZM 3-F on W.O.E. Strap, box/papers

Sinn - EZM 3-F · $1,200
This Sinn EZM 3 F is a high-quality watch with a bead blasted case, bo-directional countdown bezel, and light scratches. It comes with a full box, dated WatchBuys COA from 2020, and a few off-brand rubber straps.

  • Condition: Pre-owned with scratches
  • Case material: Beaded blasted stainless steel
  • Water resistance: 200m depth rating
  • Movement accuracy: -10sec/day
Posted at
Jun 10, 2025, 3:37 PM
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[WTS] Sinn 156. Military. Lemania Movement. Rare. 🔥

Sinn 156. Military. Lemania Movement. Rare. 🔥

Sinn - 156 · $2,475
This listing is for a rare Sinn 156 military watch powered by a Lemania 5100 movement. It runs crisply and the colors are sharp.

  • Condition: Crisp, sharp colors
  • Movement: Lemania 5100
  • Strap: Aftermarket, high quality
Posted at
Jun 9, 2025, 6:26 PM
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