An Oversized Stainless Steel Chronograph Wristwatch with Tachometer, Telemeter and Register, Longines, Circa 1966

nickel lever movement, 18 jewels, mono-metallic compensation balance, precision regulator, silvered brushed dial, applied baton indexes, outer tachometer scale in blue and telemeter scale in red, two engine-turned subsidiary dials calibrated for constant seconds and 30 minute register, three applied stars toward the center, large circular case with two round chronograph pushers in the band, water-resistant-type screw back case, case, dial and movement signed.