Sinn 757 Black Tegimented on Bracelet

SKU: SI-222

Average Watch Ratings: 100% (1 reviews)

Automatic winding chronograph - more details
Case diameter (mm): 43.0
Case thickness (mm): 16.0
Case back: Solid
Case metal: Black PVD
Dial color: Black
Tegimented: Fully
Winding: Automatic
Inert gas: Filled
Copper sulphate: Capsule
Antimagnetic: 80,000 A/m
Manufacturer's limited warranty: 2 or 3 years - see below

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WatchBuys Direct Price: $3,420.00
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Sinn 757 Black Tegimented on Bracelet
Sinn 757 Black Tegimented on Bracelet
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Product Details 

To create this watch, Sinn built on the extremely popular design of the Sinn 757 chronograph and created a black PVD Tegimented case with bracelet.

Standard steel used by most watch companies has a hardness of between 200 and 240 HV (Hardness Vickers is a common scale used to measure material hardness). The Tegiment layer on this watch has a hardness of 1,500 Vickers which is seven times harder than standard steel.

The Tegiment layer is not a coating consisting of a foreign material, instead the steel itself that has been hardened using a special engineering process that creates a hardened barrier. The base material is a type of stainless steel also used for surgical implants, and the stainless steel resistance to corrosion is even further improved by the Tegiment hardening process.

The Tegimenting process also acts as an extra protection for the black PVD coating by providing a harder surface for this material. It is interesting to note that Sinn's black PVD watches are hardened to higher standards than most of their non-black Tegimented watches.

Another Sinn engineering feat is the creation of a bezel that is secured by screws. The inlaid aluminum ring featuring numerals and markers is anodized black for optimal legibility, while the triangle reference marker at 12 is applied with special paint for visibility.

What also makes this watch special is its extreme protection from magnetic fields. The case design and inner lining consist of a special iron core making this watch resistant to the effects of magnetism.

The case features a copper sulphate capsule which reacts with moisture to diffuse and absorb humidity in the watch. This capsule may be viewed through a porthole in the left lug, and over time will turn a deep blue as humidity is absorbed. This technology not only provides a more stable environment for the movement, but also helps to prevent fogging of the crystal when going from hot to cold environments or from humid to non-humid conditions (such air conditioned buildings).

Dial is matte black with Arabic numerals and offset date display at 4. The design and layout of this watch make it extremely easy to read in virtually all light conditions.

Sapphire crystal with luminous hands, hour markers and the 12. Watch is water resistant to 20 ATM. Watch is fitted with a Tegimented PVD steel bracelet with hex screws and solid end links.

Warranty Changes and New Features

Please note that effective September 1, 2011 Sinn increased the warranty on this watch from 2 years to 3 years. Watches purchased before that date remain at 2 years.

The reason for this change is that Sinn is now adding their Dehumidifcation Technology to this watch through the use of inert gas to reduce humidity inside the case and to prevent the dial from fogging.

Watch Reviews

Average Watch Ratings: 100% (1 reviews)

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Rate this watch:

"WOW! "

Posted by: CW

Comments about this watch: What a SINN 757 black Tegimented watch! It is such a beauty! It will on the top of my new watch list!


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