Calibre ETA 2801-2, Dubois-Depraz 3127 chronograph module, 17 jewels, glucydur balance, the matte navy dial with luminescent Arabic numerals and hour markers, two subdials for small seconds and minute counter, in three-part case, polished and brushed, bezel with tachymetric scale, screw back, two chronograph pushers in the band, stainless steel Panerai sewn-in "pre-V" buckle, case, dial and movement signed
Diameter: 42 mm.