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
26
Listings

Families

Classic Timepieces

Diving Watches

Frankfurt Financial District

Instrument Chronographs

Instrument Watches

Ladies Watches

Special Edition

Current Listings

Sinn U1000S (EZM6) fully tegimented

Sinn U1000S (EZM6) fully tegimented

Sinn - U1000S (EZM6) · $3,800.004
A Sinn U1000S with a silicone strap and tegimented clasp, in excellent condition with only minor wear on the bracelet links. The watch head and crystal are spotless, and it keeps good time and functions perfectly.

  • Condition: Near mint
  • Strap length: 7.25"
  • Extra links: 5
  • New extra links: 3
Posted at
Jun 30, 2025, 7:04 PM
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Sinn 140 ST Black SZ-01 Caliber – Excellent Condition Pilot’s Chronograph

Sinn 140 ST Black SZ-01 Caliber – Excellent Condition Pilot’s Chronograph

Sinn - 140 ST Black SZ-01 Caliber · $2,850.003
A unique, sold-out piece of the Sinn 140 St Black with a durable finish and excellent condition. Includes everything that comes with buying directly from Watchbuys, including an OEM leather strap.

  • Condition: Excellent condition
  • Retail price: $5300 plus bracelet
  • Importer: Watchbuys (Sinn's Importer)
  • Strap: OEM leather strap
Posted at
Jun 30, 2025, 3:40 PM
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[WTS] Sinn 140 St Black SZ-01 Caliber – Excellent Condition Pilot’s Chronograph

Sinn 140 St Black SZ-01 Caliber – Excellent Condition Pilot’s Chronograph

Sinn - 140 St Black SZ-01 Caliber · $2,850
This pilot's chronograph is a Sinn 140 St Black SZ-01 Caliber in excellent condition, featuring a black dial and high-quality movement.

  • Condition: Excellent Condition
  • Shipping: Fully insured Fedex shipping in the Continental USA
Posted at
Jun 30, 2025, 3:05 PM
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[WTS] Sinn 556 citrine yellow 556.0114

Sinn 556 citrine yellow 556.0114

Sinn - 556.0114 · $1,450
A rare Sinn 556 citrine yellow model, overall in excellent condition.

  • Condition: 9/10 with minor scratches on strap and case hairlines
  • Accessories: full-kit (except the Sinn tool)
  • Shipping: shipped from Singapore via Fedex
Posted at
Jun 30, 2025, 5:06 AM
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[WTS] Sinn 556 Carnelian Red 556.0116

Sinn 556 Carnelian Red 556.0116

Sinn - 556.0116 · $1,500
Selling a rare Sinn 556 Carnelian Red Limited Edition watch, overall condition is excellent.

  • Condition: 9/10 with minor scratches and hairlines
  • Accessories: full-kit (except Sinn tool)
  • Shipping: shipped by Fedex from Singapore
Posted at
Jun 30, 2025, 4:55 AM
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[WTS] Sinn UX GSG 9 Full Kit Oil Filled Quartz $1550

Sinn UX GSG 9 Full Kit Oil Filled Quartz $1550

Sinn - UX GSG 9 · $1,550
This Sinn UX GSG 9 is a quartz watch from 2007, serviced about three years ago. It comes with its original box and papers.

  • Condition: Pre-owned with slight signs of use
  • Year: 2007
  • Serviced: yes
  • Strap Length: 16.5cm (cut)
Posted at
Jun 25, 2025, 2:17 AM
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[WTS] Sinn 105 105.021 - 105 ST SA UTC 2022 $1800

Sinn 105 105.021 - 105 ST SA UTC 2022 $1800

Sinn - 105.021 · $1,750
This Sinn 105 is a 2022 model with box and papers, showing little to no signs of use.

  • Condition: Excellent condition, little to no signs of use
  • Year: 2022
  • Box And Papers: Yes
Posted at
Jun 25, 2025, 2:08 AM
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Pre-Owned Sinn 103 St Klassik C 103.201

Pre-Owned Sinn 103 St Klassik C 103.201

Sinn - 103 St Klassik C 103.201 · $2,999.003
A pre-owned Sinn 103 St Klassik C watch with a limited production run of 200 pieces, featuring an automatic movement, stainless steel case, silver dial, and 200m water resistance. The watch comes with its original packaging and a one-year warranty.

  • Condition: 92% condition, slight marks on lugs and case, strap in 95% condition
  • Case size: 41mm
  • Material: Stainless Steel
  • Dial color: Silver
Posted at
Jun 24, 2025, 11:36 PM
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[WTS] Sinn U50 SDR

Sinn U50 SDR

Sinn - U50 SDR · $2,400
A Sinn U50 SDR in excellent condition, with a non-tegimented case and accompanied by box and papers.

  • Condition: Excellent, with minor marks
  • Case material: non-tegimented
  • Clasp condition: minor marks
Posted at
Jun 24, 2025, 5:09 PM
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