IWC Aquatimer ref IW3723-04 Split Minute Chronograph (Pre-Owned) Lang Heyne 5 day cycle) in place

5 day cycle) in place of the date wheel which ordinarily has 31 teeth

A tangential screw is in place for fine adjustment and the anti-magnetic escapement is fit with a Carl Haas hairspring of Chronometer quality

and skeletonization with Habring²'s movement capabilities to present a classical and functional dress watch

Watch was fully serviced at Dubey & Schaldenbrand

Its a little hard to describe but the little added thickness somehow feels more authentic and original

IWC Aquatimer ref IW3723-04 Split Minute Chronograph (Pre-Owned) Lang Heyne 5 day cycle) in placeOne of the most divery divers out there this over the top Aquatimer has the guy covered who has some major timing to do! The IWC reference IW3723 features three different ways to measure elapsed time. 1. Rotating an Inner Bezel by way of twisting the pusher at the 4 o'clock subdial. 2. A 12 hour Chronograph 3. A "Split Minute" complication whereby toggling the trigger at the 8 o'clock position freezes the black and yellow hand in place (seen in the