====== IWC GST Aquatimer ======
{{wst>image_cr|IWC|GST Aquatimer}}

The **GST Aquatimer** is a [[dive watch]] by [[IWC]].

This dive watch classic has a [[titanium]] or steel case with a extreme [[water resistance]] to 2000 m.


<WRAP ud ud_mod>

**Ref. 3536**

**Movement:**
  * [[Self-winding]] calibre 37524 (basis [[ETA 2892-2]]), 28,800 A/h
  * [[Central seconds]] with stop mechanism, black date disc with white numerals
  * 21 [[jewels]]
  * [[Glucydur]] [[balance wheel]]
  * [[Nivarox hairspring]], shockproof and [[anti-magnetic]]
  * Power reserve 42 hours

**Case:**
  * D 42 mm, H 14.5 mm
  * Weight ca. 175g ([[titanium]] version ca. 116g)
  * Unidirectional rotating, ratcheting diving bezel with polished relief figures, secured against unintentional adjustment
  * Crown screwed within, 6.6 mm diameter, 3 seals, separate crown tube
  * [[Domed]] [[sapphire crystal]] (not antireflective because of glass thickness of 2.7 bis 3.7 mm)
  * [[Waterproof]] to 2000 m / 200 bar

**Dial:**
  * Superimposed, [[rhodinated]] hour markers, dark gray / matte black dial

**Bracelet:**
  * Proprietary IWC metal bracelet system with safety lock buttons or Velcro tape

**Optionen:**
  * Black Velcro tape with Velcro closure ([titanium]] and steel design, Nr. A04920 and A04925) for diving

**Variations:**
  * [[Titanium]] case with black dial, white hands and white, superimposed hour markers

**Specialties:**
  * Till 2001 steel version with silver dial (ca. 600 to 800 pieces), goldenen hands and golden, superimposed hour markers
</WRAP>

<WRAP ud ud_mod>

**Ref. 3536-001**
  * from 1998
  * Calibre 37524
  * Case and bracelet in titanium, external bezel, dial black

****
  * **Ref. 3536-002**
  * from 1998
  * Calibre 37524
  * Case and bracelet in steel, external bezel, dial black

****
  * **Ref. 3536-003**
  * from 1998
  * Calibre 37524
  * Case and bracelet in steel, external bezel, dial silvered, hands and indexes gilded
</WRAP>
===== Literature =====
  *[[IWC-Uhren. Die "Schaffhauser" and ihre Geschichte]]; Author [[Reinhard Meis]]; ISBN 3853782531
  *IWC, International Watch Co. Schaffhausen, Engl. ed.; Authors Hans-F. Tölke, Jürgen King; ISBN 3906500152
  *Armbanduhren-Spezial IWC-Geschichte, Design, Technik; Author Jörg M. Mehltretter; ISBN 3898800458
  *IWC - Die Noblen aus der Schweiz. Handbuch für den Uhrensammler; Author Jörg M. Mehltretter; ISBN 3898802272
  *IWC, International Watch Co. Schaffhausen, Luxusausg. Engl. Ed.; Authors Hans-F. Tölke, Jürgen King ISBN 3906500160


{{tag>Watch_models Dive_watches IWC_models}}