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Sinn 857

Sinn 857
© Sinn

Model 857 (and similar EZM 7) is an instrument watch by Sinn produced since 2007.

Overview

Sinn introduced the model 857 as an update to the Sinn 657. It features a larger 43 mm case (up from 41 mm), TEGIMENT case, and Ar-Dehumidifying technology. As was the case with the 657/656, a smaller version with a fixed bezel is also produced, the Sinn 856. But the 857 has a bi-directional movable pilot's bezel. The watch is magnetic field protected.

Sinn also produced UTC versions, which allow a second timezone to be read using a movable central hour hand.

EZM 7

In 2010, Sinn created the EZM 7, a Mission Timer for fire brigades. Essentially identical to the existing Sinn 857, the EZM 7 rotates the case 180 degrees so the crown is on the left side of the dial. The inner portion of the dial features scales measuring important aspects of firefighting. An EZM 7 S was added as well.

References

  • See Also Sinn 856
  • 857 (2007-present)
  • 857 S (2009-present)
  • 857 S UTC (2011-present)
  • 857 UTC (2011-present)
  • 857 UTC TESTAF (2013-2017)
  • 857 UTC TESTAF LH Cargo (2014-present)
  • 857 UTC VFR (2017-present)

Movement:

Case:

Dial:

  • Black, indexes and numerals with special white, long-lasting luminous paint
  • Internal 24 hours scalein white
  • UTC letters in daylight color, UTC hands with daylight color

Bracelet:

  • Cowhide leather strap
  • Variants Solid stainless steel bracelet, tegimented and black hard-coated

Production:

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sinn_857.txt · Last modified: 11.10.2021 16:34 (external edit)

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