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
35
Listings

Families

Classic Timepieces

Diving Watches

Frankfurt Financial District

Instrument Chronographs

Instrument Watches

Ladies Watches

Special Edition

Current Listings

[WTS] Sinn 903 Gold Plated Navigation Chronograph Lemania Movement

Sinn 903 Gold Plated Navigation Chronograph Lemania Movement

Sinn - 903 · $2,200
A Sinn 903 Gold Plated Navigation Chronograph with a Lemania Movement, featuring a black dial with tritium lume, chronograph function, and slide rule bezel.

  • Condition: G+, signs of use and age on the case and crystal, no deep scratches
  • Movement: Caliber 1873 manual, 40 hour power reserve
  • Case Size: 41mm diameter
  • Lug To Lug: 48mm
Posted at
May 20, 2025, 11:29 AM
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[WTS] Sinn 104 I St Sa White RS Limited Edition

Sinn 104 I St Sa White RS Limited Edition

Sinn - 104 I St Sa White RS Limited Edition · $1,600
A limited edition Sinn 104 with a white dial and red accents, purchased in 2020. The watch has a unique design and is in great shape, with excellent condition bezel insert and sapphire.

  • Condition: Excellent, slight wear on leather band and possible light scratches
  • Dial size: 40mm diameter
  • Water resistance: 200m depth rating
  • Case condition: Excellent
Posted at
May 19, 2025, 11:58 PM
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[WTS] Sinn 303 Mazda RX8 RED Limited Edition - Serviced (REDUCED)

Sinn 303 Mazda RX8 RED Limited Edition - Serviced (REDUCED)

Sinn - 303 · $1,999
This Sinn 303 is a limited edition collaboration between Sinn and Mazda, featuring a unique rotary engine motif on the dial. The watch has a red rotor and is numbered 188/888.

  • Condition: Fair with scratches and dings, serviced
  • Case size: 42mm diameter
  • Depth rating: 20atm pressure tested
  • Movement: Valjoux 7750
Posted at
May 19, 2025, 7:41 PM
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Sinn U50 T SL Tegimented LE on Bracelet, Box and Papers from October 2024

Sinn U50 T SL Tegimented LE on Bracelet, Box and Papers from October 2024

Sinn - U50-T SL · $2,900.003
Purchased in October 2024 from Watchbuys, comes with original boxes and papers.

  • Condition: Great condition
  • Year purchased: 2024
  • Box and papers included: yes
Posted at
May 19, 2025, 4:40 PM
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Beautiful SINN 103 St A - German Military/Aviator day/daye Automatic Chronograph. Swiss ETA 7750.

Beautiful SINN 103 St A - German Military/Aviator day/daye Automatic Chronograph. Swiss ETA 7750.

Sinn - 103 St A · $1,350.001
The watch is a German Military/Aviator day/daye Automatic Chronograph with a Swiss ETA 7750 automatic movement. It features a polished stainless steel case and back, rotating bezel, and acrylic crystal.

  • Condition: Excellent
  • Movement: Swiss ETA 7750
  • Case material: Polished Stainless Steel
  • Crystal type: Acrylic
Posted at
May 18, 2025, 6:23 PM
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[WTS] Sinn EZM3. Clean.

Sinn EZM3. Clean.

Sinn - EZM3 · $1,450
The Sinn EZM3 is a high-quality watch available for sale, located in NJ USA.

  • Condition: Clean
  • Shipping: Fedex with insurance
  • Location: NJ USA
  • Shipping Global: yes
Posted at
May 18, 2025, 5:19 PM
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Sinn Arktis Chronograph 203-6018 Limited Edition

Sinn Arktis Chronograph 203-6018 Limited Edition

Sinn - 203-6018 · $2,800.003
41mm limited edition Sinn Arktis Chronograph diver with a bracelet, canvas, and new alligator strap. It comes with all links, tool, inner and outer boxes.

  • Condition: Great condition
  • Bracelet material: Stainless steel
  • Band width: 20mm
Posted at
May 18, 2025, 4:32 PM
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[WTS] 2020 Sinn U1, Full Kit

2020 Sinn U1, Full Kit

Sinn - U1 · $1,500
2020 Sinn U1 watch with a 44mm case, water resistant to 1000m, and features a full kit including warranty card, tag, outer box, inner box, and manuals.

  • Condition: Minor marks on case, scratches on clasp, rubber cut but adjustable
  • Water Resistance: 1000m
  • Case Size: 44mm
  • Lug To Lug: 50mm
Posted at
May 17, 2025, 10:44 PM
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[WTS] 2021 Sinn 144 St S Anniversary II - Full Kit, #470/600, Mint Pristine Condition

2021 Sinn 144 St S Anniversary II - Full Kit, #470/600, Mint Pristine Condition

Sinn - 144 St S Anniversary II · $3,750
This is a limited edition Sinn 144 St S Anniversary II, one of the most beautiful watches I've ever owned. It has a black hard-coated Tegimented case and Ar dehumidifying tech.

  • Condition: Mint Pristine Condition
  • Case size: 41mm
  • Water resistance: 200m depth rating
  • Movement: 7750-based auto movement
Posted at
May 17, 2025, 11:04 AM
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