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IWC The Big Pilot’s Watch IW500401 and IW500402

Posted by wristwatch on July 12, 2007


Since 2002, the Big Pilot’s Watch has been IWC’s flagship. Its IWC-manufactured 51110 movement contains all the features that have proved their worth in the long history of IWC mechanical watches. Within no time at all, the automatic movement – currently the largest of its kind in the world – generates a power reserve of 8.5 days, but only runs for seven before an ingenious little mechanism automatically stops it. This is because the torque that drives the movement decreases as the mainspring winds down, leading to a loss of amplitude in the balance and the unacceptable possibility of inaccuracy.

* Calibre:  51110
* Vibrations:  21 600/h / 3 Hz
* Jewels:  44
* Power-reserve:  7 days (168 hours)
* Winding:  automatic
* Mechanical movement
* Automatic Pellaton winding system
* Seven days’ continuous running
* Power reserve display
* Beryllium alloy balance with high-precision adjustment cam on the balance bars
* Brequet spring
* Date display
* Central seconds hand with stop function
* Screw-in crown
* Soft iron inner case for protection against magnetic fields
* Convex sapphire glass, antireflective on both sides and secured against displacement by drop in air pressure
* Water-resistant 60 m
* Inner case:  soft iron for protection against magnetic fields
* Glass:  sapphire, convex, antireflective, resistant against pressure drop
* Crown:  screwed
* Water-resistant:  6 bar (60 m)
* Case diameter:  46.2 mm
* Case height:  15.8 mm
* Weight: 185g
* Reference IW500401 The Big Pilot’s Watch in stainless steel with black crocodile leather strap
* Reference IW500402 The Big Pilot’s Watch in 18 ct. white gold with dark brown crocodile leather strap

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One Response to “IWC The Big Pilot’s Watch IW500401 and IW500402”

  1. RAFI TCHOPOURIAN said

    DO YOU HAVE THESE WATCHES IN STOCK? IF SO HOW MUCH?

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