Longines. A Rare Oversize Silver Hour Angle Wristwatch With Indirect Center Seconds

Longines. A Rare Oversize Silver Hour Angle Wristwatch With Indirect Center Seconds
Signed Longines, Movement No. 54'422'750, Lindbergh Model, Circa 1935
Cal. 18.69N gilt-finished lever movement, 15 jewels, bi-metallic compensation balance, hinged silver cuvette, white enamel dial, Roman hour numerals, inner calibrated degree angle ring with blue Arabic numerals, inner rotating silvered matte disc calibrated for 60 seconds and 15 degrees, indirect center seconds, large circular case with hinged back, revolving bezel calibrated for 15 degrees in green enamel and subdivisions in black enamel, fixed bars, downturned lugs, oversized ball-shaped crown, case, dial and movement signed
47mm diam.