Since its launch in 2009, Longines’ Calibre L688.2 has become the engine for The Longines Column Wheel Chronograph collection. Longines, who invented the column wheel (1878) as well as the flyback function (1936), knows a thing or two about chronographs. The Calibre 13.33Z (1913), the famous Calibre 13ZN (1946) and the Calibre 30CH (1947) have all employed a column wheel. The L688.2 automatic chronograph movement features a blued steel column wheel, 27 jewels, and accentuating decoration.
ETA specifically created this new and exclusive movement for Longines to incorporate the column wheel, which is considered superior for a chronograph’s operation. This movement is used in the Heritage 1973, while a variation on the L688, namely caliber L788 with a mono-pusher, was used in the Column-Wheel Single Push-Piece Chronograph 180th Anniversary, which we reviewed for you here. The various watch models in this collection represent a modern development of Lognines’ historical innovation.