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]

This is a brand new, unworn Sinn 155 Limited BrightStar from 2024, featuring original packaging.

  • Condition: New and unworn
  • Retail price: 3570 USD
  • Limited edition: true
Posted at
Feb 10, 2026, 11:46 PM
Active
[WTS] Sinn 144 I ST SA Full Set 2019 ref. 144.13885

Sinn 144 I ST SA Full Set 2019 ref. 144.13885

Sinn - 144.13885 · $2,980
A Sinn Spezialuhren performance German tool watch with a focus on extreme functionality and readability, featuring a chronograph function and English day of the week display.

  • Condition: light wear but no damage
  • Case diameter: 41mm
  • Bracelet width: 20mm
  • Crystal type: sapphire
Posted at
Feb 10, 2026, 5:37 PM
Active
[WTS] Sinn 556 I RS & Oris Big Crown Pointer Date 80th Anniversary - Full Sets

Sinn 556 I RS & Oris Big Crown Pointer Date 80th Anniversary - Full Sets

Sinn - 556 I RS · $1,250
This listing features a Sinn 556 I RS Full Set, which includes box and paper along with booklets and tool. It also comes with an Original H-link bracelet.

  • Condition: Excellent
  • Bracelet Type: H-link
  • Box Papers: true
Posted at
Feb 10, 2026, 9:54 AM
Active
[WTS] Sinn 556i + Hlink Bracelet - Great condition | $1,200

Sinn 556i + Hlink Bracelet - Great condition | $1,200

Sinn - 556i · $1,200
The Sinn 556 I combines understated elegance with technical prowess, featuring a black dial and minimalist design.

  • Condition: Excellent, some surface scratches on AR coating
  • Case Material: Satinized stainless steel
  • Diameter: 38.5mm
  • Thickness: 11mm
Posted at
Feb 10, 2026, 9:00 AM
Active
[WTS] Sinn 556i, SARB017, SRPL99

Sinn 556i, SARB017, SRPL99

Sinn - 556i · $950
A stunning blue dial Sinn watch with a gold rotor. The crystal and AR coating are phenomenal.

  • Condition: Used, great condition with few marks
  • Diameter: 42mm
  • Water Resistance: 200m
Posted at
Feb 9, 2026, 2:18 PM
Active
[wts] Sinn Panda 356 Pilot $3️⃣2️⃣0️⃣0️⃣

Sinn Panda 356 Pilot $3️⃣2️⃣0️⃣0️⃣

Sinn - 356 Pilot Panda · $3,200
The Sinn 356 Pilot Panda is a stunning timepiece with incredible features, it's pure class.

  • Condition: Like new
  • Kit included: full kit
  • Straps included: canvas strap and metal bracelet
  • Glass type: upgraded sapphire glass
Posted at
Feb 8, 2026, 10:41 PM
Active
[WTS] Sinn 156.B - Pristine condition

Sinn 156.B - Pristine condition

Sinn - 156.B · $3,250
A rare Sinn 156.B in almost new condition, powered by the Lemania 5100 chronograph movement. The watch features a central minute counter and is known for its light weight and wearability.

  • Condition: pristine with slight blemish on the mid case
  • Case size: 43mm
  • Lug to lug: 51mm
  • Lug spacing: 20mm
Posted at
Feb 7, 2026, 9:29 PM
Active
[WTS] Sinn 156.B - Near Mint

Sinn 156.B - Near Mint

Sinn - 156.B · $3,250
A rare Sinn 156.B chronograph watch, powered by the Lemania 5100 movement, in excellent condition. This 43mm watch has a compact lug-to-lug and thin mid-case design, making it feel like a 41mm watch to wear.

  • Condition: Near Mint
  • Case diameter: 43mm
  • Lug to lug length: 51mm
  • Lug spacing: 20mm
Posted at
Feb 7, 2026, 7:58 PM
Active
[WTS] Sinn 856.011 – Box Only – Extra Straps $1,500

Sinn 856.011 – Box Only – Extra Straps $1,500

Sinn - 856.011 · $1,500
A classic German tool watch known for its clean design, exceptional legibility, and rugged everyday performance. This Sinn reference features a utilitarian aesthetic and is well regarded as a no-nonsense daily wearer.

  • Condition: Signs of wear; mark on hour hand; clean crystal
  • Case size: 40mm diameter
  • Movement: Automatic
  • Crystal: Sapphire
Posted at
Feb 6, 2026, 6:46 PM
Active