====== Sinn 900 Hummer ======
{{wst>image_cr|Sinn|900 Hummer}}

The **900 Hummer** is an [[expedition watch]] by [[Sinn]]. It is a special edition of the [[Sinn 900]].

An [[expedition watch]] with special features for people who love adventure Extremely robust [[stainless steel]] case with scratch-resistant [[sapphire crystal]], 24 hours scale with [[second timezone]] and compass function, [[tachymeter]] for speeds up to 600 km/h, shockproof and equipped with a [[magnetic field protection]].

This collector's edition item, which is limited to 150 pieces, is delivered in an exclusive Pelicase that is shockproof, waterproof and dustproof. Also included are two interchangeable bracelets, a compass and a quality book with stunning photographs and texts from the HUMMER world.


<WRAP ud ud_mod>

**Movement:**
  * Mechanical [[chronograph]] movement [[Valjoux 7750]] with [[UTC]] 24h module, 28,800 A/h
  * [[Automatic]]
  * [[Nivarox]]-1 [[hairspring]], [[Glucydur]] [[balance wheel]], Beryllium plateau
  * [[Mainspring]] Nivaflex 1, [[Incabloc]] [[shock protection]]
  * [[Shock proof]] according to DIN 8308
  * [[Antimagnetic]] according to DIN 8309

**Case:**
  * [[Stainless steel]], DIN material no. 1.4435, tegimented to 1200 HV (surface hardness in Vickers), [[satin-finished]]
  * D 44 mm, H 15.5 mm
  * [[Sapphire crystal]]
  * Integrated [[magnetic field protection]] up to 80,000 A/m (bzw. 100 mT)
  * Screw-in [[stainless steel]] caseback. [[Screw-in crown]]
  * Pushers with integrated pusher protection
  * Gaskets of crown and pushers are made of a material with high chemical resistance used in vacuum technology and chemistry
  * Dry capsule
  * [[Waterproof]] to 20 atm
  * Safe below atmospheric pressure

**Dial:**
  * Black mat, hour indexes covered with inactive white luminous paint
  * Fine minute scale
  * Telemeter scale and direction information in red
  * [[Tachymeter]] scale
  * [[Pulsometer]] scale
  * March odometer indication in daylight color
  * Inner bezel with minutes and 24 hours graduation in daylight color, with luminous triangle

**Hands:**
  * Hours and minutes hand covered with inactive white luminous paint
  * Seconds hand and stop hand white
  * [[UTC]] hands covered with yellow daylight color

**Functions:**
  * Hours, minutes, [[small seconds]] with [[hacking seconds]]
  * [[Chronograph]] 12 hours counter, 30 minutes counter, 60 seconds counter
  * Date indication
  * [[Tachymeter]] scale from 65 to 600 km/h
  * [[Pulsometer]] scale and breath counter from 16 to 200/min.
  * Rotating inner bezel with 60 minutes division with luminous triangle and 24 hours subdivision (2nd time zone)
  * Display of the north direction by Sun or hour hand and arrow pointer or by a [[second timezone]] (with bezel)
  * Telemeter up to 20 km
  * March odometer up to 60 km
  * Conversion scale for European and American troops on the ground Temperature degrees Celsius to degrees Fahrenheit
  * Fuel consumption Liter/100 km in miles per gallon (mpg)
  * Speed Kilometer per hour in miles per hour (mph)
  * kPressure MPa in kilo pound per square inch (ksi)
  * Tire pressure bar in pound per square inch (psi) and speed indexes for car tires.

**Bracelet: **
  * Black cowhide leather strap with [[satin-finished]] [[stainless steel]] clasp or fine-membered [[satin-finished]] [[stainless steel]] bracelet, tegimented

**Warranty: **
  * 3 years

**Limited edition:**
  * 150 pieces
</WRAP>

{{tag>Watch_models Chronographs Sinn_Instrument_Chronograph_models}}