Sinn Dive Collection

Sinn’s collection of dive watches is diverse, original and technology lead. Most popular in their dive watch collection are the Sinn U1 (1000m), the Sinn U2 (2000m & dual time) and, our favourite, the Sinn UX range with HYDRO technology

images courtesy Sinn.de © unless otherwise stated

Founded in 1961 Sinn is a company lead by innovation and design. Sinn produce watches that are instantly recognizable – similar to those of Bell & Ross – they have their own unique styling.

An Introduction to Sinn Watches

We have to go back to 1961 when Helmut Sinn founds the company “Helmut Sinn Spezialuhren” in Frankfurt. The company’s focus at that time was the manufacture of navigation clocks and pilot chronographs. There are few companies in the horological arena with such an impressive history of innovation, exploration and certification. Lothar Schmidt, an engineer himself, bought Sinn in 1994 bringing with him a burning desire for technological development. Innovative features such as Sinn Hydro – filling the watch dial and hands void with an oil to prevent reflection when under the water …..

The Sinn 140 S in outer space

We all know that Omega Speedmaster watches have been worn in space, but they’re not the only brand with that claim. In 1985 the German physicist / astronaut Professor Dr. Reinhard Furrer wore a Sinn 140 S during the D-1 spacelab mission. In doing so he proves the watch’s self-winding mechanism works even in the weightless conditions of space.

The Sinn 140 S chronograph as worn by Reinhard Furrer on a Spacelab mission

Sinn U1 – cast from German Submarine Steel

One thing that really sets our teeth on edge at ChronoDivers is when an alleged “dive watch” has hands colour coordinated to the watch’s dial. White hands on a white face might look quirky in the office, but try and read them under water! The Sunn U1 range of divers’ watches have highly contrasting dials and hands. Most models feature a matt black dial and contrasting white hands and indexes. Many models have the optional extra of Sinn TEGIMENT (a patented stainless steel case hardened technology providing extremely effective protection from scratches)

U1 Gallery

A combination of images from Sinn’s media library. The final watch here is a FULL SET Sinn U1 discovered on eBay complete with box and papers. Notice the position of the U1’s crown at the 4 o’clock position – this prevents pressure on the back of the hand when bending the wrist. The first two watches are coated in black hard coating PVD – in conjunction with TEGIMENT anti-scratch treatment.

Certified by DNV GL

GNV DL tests and certifies Sinn diving watches – ensuring they are both water resistant and pressure resistant. Their testing criteria is so strict it qualifies for certification in accordance with the European Standards for Diving Equipment. The Sinn U1 is compliant with European diving device standards EN250 and EN14143

LIVE Listings – Sinn Dive Watches available today

A selection of Sinn dive watches listed for sale in the last 48 hours.

Flags ( 🇬🇧 & 🇺🇸 ) are used at the start of each listing to identify the country the seller is willing to SHIP TO. If the same watch appears several times – this indicates the seller is able to ship to multiple countries.

SINN UX.GSG9 U-boat steel Quartz date Wristwatch Silver/Black belt
SINN UX.GSG9 U-boat steel Quartz date Wristwatch Silver/Black belt

🇺🇸 A SINN UX.GSG9 U-boat steel Quartz date Wristwatch Silver/Black belt. This watch is available now for US$1,920.00. The seller is located in Hyogo, Japan. The condition of this Divers Watch has been listed as Pre-owned. This watch is being sold by a seller with the user name reference-shop. More […]Read More

sinn EZM3 603.EZM-3.M Date Black Dial Automatic Men's Watch Made in Germany
sinn EZM3 603.EZM-3.M Date Black Dial Automatic Men’s Watch Made in Germany

🇺🇸 A sinn EZM3 603.EZM-3.M Date Black Dial Automatic Men’s Watch Made in Germany. This watch is available now for US$1,559.99. The seller is located in Tokyo, Japan. The condition of this Divers Watch has been listed as Pre-owned. This watch is being sold by a seller with the user […]Read More

Sinn UX.GSG9 U Boat Date  TO30797
Sinn UX.GSG9 U Boat Date TO30797

🇺🇸 A Sinn UX.GSG9 U Boat Date TO30797. This watch is available now for US$2,197.00. The seller is located in Japan, Japan. The condition of this Divers Watch has been listed as Pre-owned. This watch is being sold by a seller with the user name eic_rm. More DETAILS HERE (eBay)

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Sinn 603 603.EZM-3 TO46932
Sinn 603 603.EZM-3 TO46932

🇺🇸 A Sinn 603 603.EZM-3 TO46932. This watch is available now for US$1,777.00. The seller is located in Japan, Japan. The condition of this Divers Watch has been listed as Pre-owned. This watch is being sold by a seller with the user name eic_rm. More DETAILS HERE (eBay)

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Sinn Jin UX. GSG9 U Boat Steel Quartz Date Watch Steel Rubber Belt Men s Silve
Sinn Jin UX. GSG9 U Boat Steel Quartz Date Watch Steel Rubber Belt Men s Silve

🇺🇸 A Sinn Jin UX. GSG9 U Boat Steel Quartz Date Watch Steel Rubber Belt Men s Silve. This watch is available now for US$2,258.51. The seller is located in Japan, Japan. The condition of this Divers Watch has been listed as Pre-owned. This watch is being sold by a […]Read More

Sinn U2 EZM5 Professional Diver Automatic Black Dial U-Boat Steel Mens Watch
Sinn U2 EZM5 Professional Diver Automatic Black Dial U-Boat Steel Mens Watch

🇺🇸 A Sinn U2 EZM5 Professional Diver Automatic Black Dial U-Boat Steel Mens Watch. This watch is available now for US$2,650.00. The seller is located in Tokyo, Japan. The condition of this Divers Watch has been listed as Pre-owned. This watch is being sold by a seller with the user […]Read More

Sinn EZM3 603.EZM3 Automatic Winding Black Dial Stainless Calendar Men's Watch
Sinn EZM3 603.EZM3 Automatic Winding Black Dial Stainless Calendar Men’s Watch

🇬🇧 A Sinn EZM3 603.EZM3 Automatic Winding Black Dial Stainless Calendar Men’s Watch. This watch is available now for £1,904.13. The seller is located in Japan, Japan. The condition of this Divers Watch has been listed as Used. This watch is being sold by a seller with the user name […]Read More

Sinn U1.S.E MOTHER EARTH Reiji Matsumoto Anniversary Limited Galaxy Express 999
Sinn U1.S.E MOTHER EARTH Reiji Matsumoto Anniversary Limited Galaxy Express 999

🇺🇸 A Sinn U1.S.E MOTHER EARTH Reiji Matsumoto Anniversary Limited Galaxy Express 999. This watch is available now for US$3,795.00. The seller is located in KYOTO, Japan. The condition of this Divers Watch has been listed as Pre-owned. This watch is being sold by a seller with the user name […]Read More

Sinn 603 603.EZM-3 TO46907
Sinn 603 603.EZM-3 TO46907

🇺🇸 A Sinn 603 603.EZM-3 TO46907. This watch is available now for US$1,777.00. The seller is located in Japan, Japan. The condition of this Divers Watch has been listed as Pre-owned. This watch is being sold by a seller with the user name eic_rm. More DETAILS HERE (eBay)

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Sinn Pro Diver's Watch UX.SDR GSG 9/EZM 2 B - Original Owner - MINT!  USA seller
Sinn Pro Diver’s Watch UX.SDR GSG 9/EZM 2 B – Original Owner – MINT! USA seller

🇺🇸 A Sinn Pro Diver’s Watch UX.SDR GSG 9/EZM 2 B – Original Owner – MINT! USA seller. This watch is available now for US$2,150.00. The seller is located in La Mesa, California, United States. The condition of this Divers Watch has been listed as Pre-owned. This watch is being […]Read More

Sinn EZM3 603.EZM3 Automatic Winding Black Dial Stainless Calendar Men's Watch
Sinn EZM3 603.EZM3 Automatic Winding Black Dial Stainless Calendar Men’s Watch

🇺🇸 A Sinn EZM3 603.EZM3 Automatic Winding Black Dial Stainless Calendar Men’s Watch. This watch is available now for US$2,150.00. The seller is located in Japan, Japan. The condition of this Divers Watch has been listed as Pre-owned. This watch is being sold by a seller with the user name […]Read More

△ Sinn U1 1000m U1.S.E black Dial Automatic Men's Watch R#113956
△ Sinn U1 1000m U1.S.E black Dial Automatic Men’s Watch R#113956

🇺🇸 A △ Sinn U1 1000m U1.S.E black Dial Automatic Men’s Watch R#113956. This watch is available now for US$1,880.43. The seller is located in Aichi, Japan. The condition of this Divers Watch has been listed as Pre-owned. This watch is being sold by a seller with the user name […]Read More

Sinn EZM 3 603 Automatic Steel on Bracelet Diver Black Dial Men's - Box & Papers
Sinn EZM 3 603 Automatic Steel on Bracelet Diver Black Dial Men’s – Box & Papers

🇺🇸 A Sinn EZM 3 603 Automatic Steel on Bracelet Diver Black Dial Men’s – Box & Papers. This watch is available now for US$1,498.00. The seller is located in Tokyo, Japan. The condition of this Divers Watch has been listed as Pre-owned. This watch is being sold by a […]Read More

Sinn UX.GSG9 U-Boat Steel Quartz Date Steel/Rubber Belt Men's Watch G1127
Sinn UX.GSG9 U-Boat Steel Quartz Date Steel/Rubber Belt Men’s Watch G1127

🇺🇸 A Sinn UX.GSG9 U-Boat Steel Quartz Date Steel/Rubber Belt Men’s Watch G1127. This watch is available now for US$2,946.00. The seller is located in Japan, Japan. The condition of this Divers Watch has been listed as Pre-owned. This watch is being sold by a seller with the user name […]Read More

SINN 603.EZM-3 Automatic Date Men's Wristwatch SS Silver & Black w/ Box Warranty
SINN 603.EZM-3 Automatic Date Men’s Wristwatch SS Silver & Black w/ Box Warranty

🇺🇸 A SINN 603.EZM-3 Automatic Date Men’s Wristwatch SS Silver & Black w/ Box Warranty. This watch is available now for US$1,804.94. The seller is located in Gunma, Japan. The condition of this Divers Watch has been listed as Pre-owned. This watch is being sold by a seller with the […]Read More

SINN EZM3 603.EZM-3.M Date Black Dial Automatric Men's Watch
SINN EZM3 603.EZM-3.M Date Black Dial Automatric Men’s Watch

🇺🇸 A SINN EZM3 603.EZM-3.M Date Black Dial Automatric Men’s Watch. This watch is available now for US$1,899.99. The seller is located in Tokyo, Japan. The condition of this Divers Watch has been listed as Pre-owned. This watch is being sold by a seller with the user name second-hand-store.sakura-japan. More…

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Sinn UX S Combat Swimmer (EZM 2B)

An accolade that many dive watch manufacturers strive for is the adoption of their timepieces by the National Armed Forces. Germany’s Commando Frogman Force KSM (Kommando Spezialkräfte der Marine) are one such division endorsing Sinn divers watches. The Sinn Mission Timer UX S Combat Swimmer (EZM 2B) is worn by all KSM divers. An  international tender was placed by the Federal Office of Bundeswehr Equipment (BAAINBw) with strict guidelines to how the watch must perform. The Sinn UX was selected over the competitors watches – proof enough that this is a very competetent, professional underwater timepiece.

Development of HYDRO Technology

Visibility of a dive watch at depth is second only to water resistance. Sinn developed their own HYDRO Technology – introduced in the Sinn 403 HYDRO for the first time. This innovative design feature provides freedom from fogging and optimal readability at any angle.

Compliance to European Diving Equipment Standards

SINN manufacture diving watches in compliance with European diving equipment standards – they were the first company to do so. They were also the first to put their dive watches through third party testing to certify them for pressure resistance, water resistance and resistance to fogging.

Further Reading

Official Webiste (external link) : Sinn.de