IWC IW378401
Big Ingenieur Flyback Chronograph
What Should You Pay?
Estimated fair market values. Actual prices vary by condition, completeness, and seller.
New / Like New / Full Kit
$7,458 – $8,933
high confidence
Excellent / Pre-Owned
$6,429 – $7,701
high confidence
Used / Watch Only
$5,400 – $6,468
high confidence
Fair Market Value
$7,065
Blended estimate for excellent condition
Recent Comparable Listings
The IWC Big Ingenieur Flyback Chronograph IW378401 features a 45.5mm stainless steel case, housing the automatic IWC caliber 89360 with flyback chronograph function and a power reserve of 68 hours. It has a black textured dial with luminous hands and hour markers, a date window, and is fitted to a leather strap with a tang buckle.
Specifications
Case Diameter 45.5 mm
Case Height 15 mm
Case Material stainless steel
Case Shape round
Case Back solid
Water Resistance 120m
Crystal sapphire
Bezel Type fixed
Bezel Material stainless steel
Dial Color black
Dial Indexes applied
Bracelet/Strap leather
Bracelet Material alligator leather
Clasp pin_buckle
Complications date, chronograph, flyback
Movement
Movement Calibre 89360
Type automatic
Power Reserve 68 hours
Frequency 28,800 vph
Jewels 40
Functions hours, minutes, seconds, date, chronograph, flyback
