Sinn U1 on Bracelet

Watches by Type: Divers Watches

SKU: SI-167

Average Watch Ratings:

100% (7 reviews)

Brand: Sinn

Automatic winding mechanical diver's watch - more details

• Case diameter (mm): 44.0

• Case thickness (mm): 14.3

• Case metal: Submarine steel

• Case back: Solid

• Tegimented: Bezel only

• Winding: Automatic

• Manufacturer's limited warranty: 2 years

• Dial color: Black

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WatchBuys Direct Price: $1,750.00

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Sinn U1 on Bracelet

Product Details

The technology and design elements used to create the Sinn U1 go far beyond standards used at most watch companies.

The U1 case is made from the same steel that is also used in the construction of the outer hull of submarines. The steel was procured by Sinn from a steel supplier to Emden GmbH, one of Germany’s North Sea shipbuilding yards who construct submarines from the very same steel. This special steel is also amagnetic which means that is does not have magnetic properties and cannot itself become magnetized. The watch movement itself is protected from magnetic fields up to 4,800 A/m.

Because of the special steel used from the submarine steel manufacturer, the case resists the effects of exposure to salt water and salt water environments.

The uni-directional ratchet operated rotating bezel is also milled from this submarine steel and is Tegimented. The indices are machined directly into the bezel without the use of bezel inserts, which can corrode or come loose at deep depths. The international testing lab of Germanischen Lloyd has tested the U1, and determined that the watch can be certified as water resistant to 1,000 meters. This same firm tests submarines for their ability to withstand the effects of underwater use.

Matte black dial with date at 3, Super Luminova on hands and markers, and striking red seconds hand complete the design. Other features include sapphire crystal with anti-reflective coating, and stainless steel bracelet.

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Watch Reviews

Average Watch Ratings: 100% (7 reviews)

Write your own watch review

Rate this watch:

"Great watch"

Posted by: Jean

Comments about this watch: This watch is built to last and has a distinct design! It's now my favorite watch to wear casually and formally. Great watch

"Sinn U1 Masterpiece"

Posted by: Steven Cannon

Comments about this watch: Along with owning my newly acquired Sinn U1, other automatic watches in my simple collection include an Omega 300M SeaMaster Automatic, Baume and Mercer EX Executive Dual Time, Seiko "Orange Monster", and a LUM-TECH B2 Combat, I get more compliments on the Sinn than any other, accurate as a certified chrono, and seemingly indestructible. Build and quality equal or exceeds time pieces costing 4 times the U1 cost. Favorite daily watch.

"Great Buy"

Posted by: Andrea Giardini

Comments about this watch: Awesome piece of engineering. A diver's watch distinguished from the rest of the pack. Beautifully handcrafted, solid, unique design, great feel and look.

"Great Watch"

Posted by: Melfiz

Comments about this watch: A must owned time piece..captured by its solid build n unique markers.

"Beautiful and Functional"

Posted by: Victor

"My comments on Sinn U1"

Posted by: Julianne A

Comments about this watch:

Purchased as retirement gift for my husband and it's worth every penny.

This timepiece is built like a tank as he states and he likes this watch and wears it more than his Rolex Seadweller and for a watch this size he states its very easy to wear on his wrist.

Don't hesitate and don't wait and miss out on this timepiece & for WatchBuys they're the BEST !!!

"Sinn U1"

Posted by: Tim Anderson

Comments about this watch: Well worth the wait. This timepiece is built like a tank and takes all the abuse you can give it. Runs as accurate or better that any of my Omegas or Breitlings.

Best bang for your buck in luxury timepieces. This is a watch you depend on to look great with an Armani suit or a Body Glove wetsuit!