====== Porsche Design by IWC Compass Watch ======
The **Compass Watch** is an [[expedition watch]] by [[Porsche Design]] and [[IWC]].

This watch, first presented in [[1978]], become legendary by two properties first, as a typical manifestation of the collaboration between the designer Professor Ferdinand Alexander Porsche and [[IWC]], and secondly by the compass function as an additional feature The upper housing part can be opened with a key lock and thereby enables the use of the compass.


<WRAP ud ud_mod>

**Reference:**
  * 3511 ([[titanium]]) (3510 [[aluminum]] case, 3551 with [[moon phase]] indication)

**Movement**
  * [[Self-winding]] movement [[IWC 375.23]]
  * ball-bearing rotor
  * 40 hours power reserve

**Case:**
  * [[Titanium]] / Aluminum
  * D 40 mm, H 12 mm / D 39 mm, H 12.9 mm 
  * [[Sapphire crystal]] with [[anti-glare treatment]]
  * Screw-in caseback with mirror
  * Speciality the upper case part can be locked open with a key and thereby allows the use of the compass
  * [[Waterproof]] to 30 m

**Dial:**
  * Black with decent white hair cross
  * Indexes with [[luminous material]]
  * Hands with [[luminous material]]

**Functions:**
  * Hours, minutes, [[central seconds]], date, compass + mirror

**Bracelet:**
  * Bracelet in [[titanium]]
  * Security bushbotton clasp

**Variants:**
  * Since [[1978]] the watch has been launched in several variants with, inter alia, an aluminum housing and with [[carbon]] fiber strap
</WRAP>

{{tag>Watch_models Porsche_Design_models IWC_models}}