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.

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