====== Guinand World Time Watch WZU-5 ======
{{wst>image_r|Guinand_Weltzeituhr_WZU-5|Guinand Weltzeituhr WZU-5}}
[[World timer]] by [[Guinand]]

This worldtimer constructed by [[Sinn, Helmut|Helmut Sinn]] (found of the watch brand [[Sinn]]) on base of a [[Unitas]] calibre is the first mechanical wristwatch worldwide, which can show the time in 5 different stock exchange cities (Frankfurt, London, New York, Tokio, Hongkong) on 5 different continents of the earth independently. All times in this challenging [[complication]] are adjustable independently and manually.


<WRAP ud ud_mod>

**Reference:**
  * WZU-5

**Movement:**
  * Calibre HS 81 WZ (basis Unitas 6497-1), [[manual winding]], 18,000 A/h
  * 18 [[jewels]]
  * [[Glucydur]] [[balance wheel]]
  * [[Hairspring]] Nivarox 1
  * [[Shock protection]] Incabloc, [[precision adjustment]] [[Triovis]]
  * Decoration [[Geneva stripes]], [[solar grinding]], [[perlage]]
  * Screws polished, [[blued]]
  * Module construction 4 time zones in 24 hours mode, each adjustable independently
  * Specialities indirect [[central seconds]], [[hacking seconds]]
  * Power reserve ca. 40 h

**Case:**
  * [[Stainless steel]]
  * Ø 44.80 mm, height 14.50 mm
  * [[Sapphire crystal]], [[sapphire crystal]] caseback
  * [[Waterproof]] to 50 m (DIN 8310)

**Bracelet:**
  * Crocodile leather strap, lined. [[Tang-type buckle]] in [[stainless steel]]
  * Optional Metal bracelet in stainless steel, 7 rows, [[stainless steel]] clasp

**Annotations:**
  * The four sub-dials are unprinted as standard. Individually city names can be attached for surcharge.
  * For an extra charge the movement is available with [[swan-neck precision regulator]] or with swan's neck fine regulation, [[screwed balance]] and engraved [[balance cock]] 
</WRAP>
===== Weblinks =====
  *[[http://www.guinand-uhren.de/|Detailed official site]]


{{tag>Watch_models Worldtimer_watches Guinand_models}}