The Longines Heritage 1942 Chronograph
The 40 mm diameter circular steel case houses a self-winding column-wheel chronograph movement. Vintage style round pushers are consistent with timepieces from the 1940s. The lacquered dial, available in white or black, features 9 Arabic numerals, a railway-track minute ring and a tachometric scale around the rim of the dial (white markings on the black dial and black on the white dial). The white-dial version has blued steel hands; the black dial version has rhodium-plated hands.
The self-winding column-wheel chronograph movement, caliber L688.2 (ETA A08.L01), has 27 jewels, a frequency of 28,800 vph (4Hz) and a 54-hour power reserve. Functions include hours, minutes, seconds, date. Chronograph center seconds, dragging 30-minute counter at 3 o'clock and dragging 12-hour counter at 6 o'clock. Tachometric scale around the rim of the dial. Small seconds at 9 o'clock. Date aperture at 6 o'clock, 30-minute counter at 3 o'clock and 12-hour counter at 6 o'clock.
Sapphire with anti-reflective coating and a transparent sapphire glass case back. Water-resistant 30 meters. Black alligator strap with buckle.
Ref. L2.7184.108.40.206 (white dial), L2.7220.127.116.11 (black dial)