====== IWC GST Deep One ======
{{wst>image_r|IWC_GST_Deep_One|IWC GST Deep One}}
[[Dive watch]] by [[IWC]]

This is the first mechanical [[dive watch]] with depth indication.


<WRAP ud ud_mod>

**Reference:**
  * 3527-001	

**Movement:**
  * Mechanical with [[automatic|automatic winding]], IWC Calibre C.8914 ([[Jaeger-LeCoultre]])
  * 34 [[jewels]], 28,800 A/h, power reserve 38 hours	

**Dial:**
  * Black, luminous indexes and hands 

**Functions:**
  * Hours, minutes, [[small seconds]], date
  * Mechanical depth metering	 

**Case:**
  * [[Titanium]], [[screw-in crown]], unidirectional turning swivel, directed by crown
  * [[Domed]] [[sapphire crystal]]	 
  * [[Waterproof]] to 100 m (10 atm)
  * 
  * **Bracelet **
  * Titanium bracelet with security clasp, folding clasp in [[titanium]]	 
</WRAP>

{{tag>Watch_models Dive_watches IWC_models}}