Instrument Watches
556 F-4 / Japan
Ref. 556.F-4.II
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
Instrument Watches
556 F-4 / Japan
Ref. 556.F-4
Instrument Chronographs
Chronograph 144 St Diapal
Ref. 144.068
Instrument Chronographs
Chronograph 144 St Sa
Ref. 144.066
Instrument Chronographs
Chronograph 356 Pilot
Ref. 356.020
Instrument Chronographs
Chronograph 356 Sa GR
Ref. 356.077
Instrument Chronographs
Chronograph 356 Sa Pilot
Ref. 356.070
Instrument Chronographs
Chronograph 356 Sa Pilot II
Ref. 356.072
Instrument Chronographs
Chronograph 356 Sa Pilot III
Ref. 356.0721
Instrument Chronographs
Chronograph 358 Diapal
Ref. 358.061
Instrument Chronographs
Chronograph 358 Sa PILOT
Ref. 358.060
Diving Watches
Chronograph U1000 EZM 6
Ref. 1011.010
Diving Watches
Chronograph U1000 S EZM 6
Ref. 1011.020
Diving Watches
Chronograph U1000 SDR EZM 6
Ref. 1011.030
Diving Watches
Chronograph U1000.S Mother Earth
Ref. 1011.1719
Classic Timepieces
Classic Timepieces 1736 Classic
Ref. 1736.010
Classic Timepieces
Classic Timepieces 1736 St I 4N
Ref. 1736.011
Classic Timepieces
Classic Timepieces 1746 Classic
Ref. 1746.011
Classic Timepieces
Classic Timepieces 6110 Rose Gold S
Ref. 6110.020
Classic Timepieces
Classic Timepieces 6200 Meisterbund I
Ref. 6200.010
Classic Timepieces
Classic Timepieces 6200 WG Meisterbund I
Ref. 6200.020
Classic Timepieces
Classic Timepieces Modell 2300
Ref. 2300.010
Classic Timepieces
Classic Timepieces Regulateur Rose Gold / Silver
Ref. 6100.021
Classic Timepieces
Classic Timepieces Regulateur Stainless Steel / Silver
Ref. 6100.011
Current Listings
![[WTS] Sinn 104A Leather Strap - UK Only](https://preview.redd.it/s7njn2ngjhgg1.jpg?width=640&crop=smart&auto=webp&s=abb37a563b335742415a46a5f09c2f1e85aa3950)
Sinn 104A Leather Strap - UK Only
Sinn 104 A Black Dial watch on leather strap, UK only sale.
- Condition: Pre-owned with signs of wear on the leather strap and sides, box is incomplete
- Straps included: leather
- Strap condition: worn
![[WTS] Sinn 556 A](https://preview.redd.it/z1k0nnzhcegg1.jpg?width=640&crop=smart&auto=webp&s=288591c58424c27eb6bc2bd24b9477a411237d07)
Sinn 556 A
A Sinn 556 A, purchased in April from Watch Buys, comes with additional items including extra links and boxes.
- Condition: Mint condition
- H Link Bracket: Yes
![[WTS]: Sinn U50 MOP](https://preview.redd.it/084kx22ol5gg1.jpg?width=640&crop=smart&auto=webp&s=ebe192b12b82bf9c87fca8946a7033a9b3dbd2bf)
: Sinn U50 MOP
A limited edition Sinn U50 MOP, one of only 500 pieces, in excellent shape with a tegimented case and clasp. It features a mother of pearl dial and is accompanied by a Sinn rubber strap.
- Condition: Excellent
- Case material: Tegimented stainless steel
- Straps included: Sinn rubber strap
![[WTS] Sinn Arktis II 206 Automatic Chronograph on H-Link Bracelet - Great Condition - Full Kit - 2023 Warranty Card (still under warranty) - Extreme Weather and True Diving Chronograph - STUNNING BLUE DIAL - The last watch you’ll ever need - Retails $5680, my price: $3300 shipped CONUS](https://preview.redd.it/b4c42oqoi5gg1.jpg?width=640&crop=smart&auto=webp&s=2bc22ac7f3bb4ea9a933ff94ead35250e73e3eb1)
Sinn Arktis II 206 Automatic Chronograph on H-Link Bracelet - Great Condition - Full Kit - 2023 Warranty Card (still under warranty) - Extreme Weather and True Diving Chronograph - STUNNING BLUE DIAL - The last watch you’ll ever need - Retails $5680, my price: $3300 shipped CONUS
This Sinn Arktis II is an automatic chronograph made to order, featuring a blue dial and designed for extreme weather conditions and underwater use.
- Condition: Great Condition
- Bracelet type: H-Link Bracelet
- Warranty status: Still under warranty
- Depth rating: 200m
![[WTS] Sinn Classic 12 Limited Edition (600 made) Automatic Chronograph Reverse Panda - Ridiculously Beautiful and Durable - Full Kit - Minty - $3700 shipped CONUS](https://preview.redd.it/8s4wiwenb3gg1.jpeg?width=640&crop=smart&auto=webp&s=8760d9a9fe3a5bf59b28785b8fcf7fc084fcb535)
Sinn Classic 12 Limited Edition (600 made) Automatic Chronograph Reverse Panda - Ridiculously Beautiful and Durable - Full Kit - Minty - $3700 shipped CONUS
This Sinn Classic 12 is a limited edition automatic chronograph with a reverse panda dial, made in only 600 units.
- Condition: Minty
- Bracelet: high quality Watch Gecko stainless polished mesh
- Straps: 2 unworn original Sinn straps
![[WTS] Sinn 105 St Sa UTC (EU Based)](https://preview.redd.it/v30ig5cuu2gg1.jpeg?width=640&crop=smart&auto=webp&s=1fcbc5b5ac79fa696d733a00050ffd4c40898735)
![[WTS] Sinn 103 Klassik 12 Automatic Chronograph - Reverse Panda - Mint Full Kit - Limited Edition of 600 - CHEAPEST IN THE WORLD at $3800 shipped CONUS](https://preview.redd.it/47v7o06xtyfg1.jpeg?width=640&crop=smart&auto=webp&s=8cfc31c6d3c22724981b50487f83bbba453b8c7c)
Sinn 103 Klassik 12 Automatic Chronograph - Reverse Panda - Mint Full Kit - Limited Edition of 600 - CHEAPEST IN THE WORLD at $3800 shipped CONUS
This Sinn 103 Klassik 12 Automatic Chronograph is a limited edition of 600, featuring a stunning reverse panda design.
- Condition: Mint Full Kit
- Limited Edition Quantity: 600
- Year: 2021
![[WTS] Sinn 856.011 – Box Only – Extra Straps $1,500](https://preview.redd.it/6uzkxdj85tfg1.jpg?width=640&crop=smart&auto=webp&s=b6a69af1e2fe5fa921a36b8dd49521f29b6ab646)
Sinn 856.011 – Box Only – Extra Straps $1,500
A classic German tool watch known for its clean design, exceptional legibility, and rugged everyday performance.
- Condition: Used, signs of wear; mark on hour hand; clean crystal
- Case size: 40mm
- Movement: Automatic
- Crystal type: Sapphire
![[WTS] Sinn 556. Box, Papers. $1150 only..](https://preview.redd.it/er9t61jffsfg1.jpeg?auto=webp&s=5ca4c9634eadcb0bf1074161d8144a5e2a30e526)
Sinn 556. Box, Papers. $1150 only..
A Sinn 556 is being sold, complete with its box and papers.
- Location: New Jersey USA
- Shipping Options: Fedex with insurance globally accepted