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  • Sinn Technologies

    Diver’s watch UX SDR GSG 9 (EZM 2B) underwater, surrounded by rising air bubbles.

Innovations since 1961

Since its founding, the company has focused on high-quality, mechanical watches.

When certified engineer Lothar Schmidt acquired the company in 1994, he ushered in a new era of technological development.

The list of innovations is impressive:

Functional reliability and freedom from fogging Ar-Dehumidifying Technology
Ar-Dehumidifying Technology – Logo
Lubrication-free anchor escapement DIAPAL
DIAPAL Technology – Logo
Reflection-free readability underwater HYDRO
HYDRO Technology – Logo
Accuracy of the watch Magnetic Field Protection
Magnetic Field Protection Technology – Logo
Shielding of electromagnetic pulses Q-Technology
Q Technology – Logo
Accurate between temperatures –45°C and +80°C Temperature Resistance Technology
Temperature display marked: -45°C to +80°C
Greatly increased scratch-resistance thanks to surface hardening TEGIMENT
TEGIMENT Technology – Logo
High quality coating – only in combination with TEGIMENT Black Hard Coating
Case with black hard coating
Safety plus for divers Captive Safety Bezel
Graphic showing the Captive Safety Bezel of a watch. White-marked arrows indicate safe pressing and controlled, one-directional rotation of the bezel.
  • Two watches from the Sinn 434 model series with solid gold bezel and leather strap.
    2017
    Q - Technologie

    - Shielding of electromagnetic pulses -

  • One T50 without strap, on a white background.
    2008
    Captive safety bezel (diver’s chronograph U1000)

    - Extra safety for divers -

  • The 756 S with black silicone strap, on a white background.
    2004
    Black Hard Coating

    - High quality only in combination with TEGIMENT -

  • Close-up of a butterfly clasp with Sinn engraving and TEGIMENT Technology logo engraving.
    2003
    TEGIMENT

    - Significantly increased scratch resistance through surface hardening -

  • Installation of a DIAPAL component in a movement – lubrication-free escapement system from Sinn Spezialuhren.
    2001
    DIAPAL

    - Lubricant-free anchor escapement -

  • Frozen chronograph 303 KRISTALL in test – Sinn Temperature Resistance Technology.
    1998
    Temperature Resistance Technology

    - Fully functional from –45 °C to +80 °C -

  • Several diver’s watch cases, some with reflective glass, others with clearly legible dials – demonstrating the advantage of HYDRO watches' reflection-free readability underwater.
    1996
    HYDRO

    - Readable under water without reflections -

  • 1995
    Ar-Dehumidifying Technology

    - Enhanced functional reliability and fogging protection -

  • Sinn watch in magnetic field test – demonstrates the effect of the integrated Magnetic Field Protection.
    1994
    Magnetic field protection up to 100 mT (model 244)

    - More consistent rate accuracy -