Longines. A gilt brass keyless lever 2-day deck watch with sweep centre seconds, up and down indicator and wooden box

Longines. A gilt brass keyless lever 2-day deck watch with sweep centre seconds, up and down indicator and wooden box
Signed Longines, Chronometer, movement no. 6411747, circa 1940
Cal. 21.29 nickel-finished lever movement, 21 jewels, large Glucydur balance, cam wheel regulator, screwed glazed dust cover, the silvered matte dial with Arabic numerals, sweep centre seconds, inner ring calibrated for 60 seconds, fan-shaped up and down indicator, in circular water-resistant-type case with screw bezel and back, gimballed in a three-tier wooden box, dial and movement signed
90 mm. diam., wooden box 151 mm. wide