Enthusiasts are well acquainted with the Sport Legends line of Longinesa tribute to the great pioneers of the sport and their exploits. With the new edition of the model Istituto Idrografico della Regia Marina (Hydrographic Institute of the Regia Marina), the House re-proposes the wrist chronograph originally developed, in 1938, for the cartographers of this Institute, thus celebrating the 70th anniversary of this model, which remains faithful in design and lines to its predecessor.
The case is made of stainless steel and has a cover on the back bearing the name "Istituto Idrografico R. Marina", who commissioned the historic watch. The lid, when opened, allows one to admire the EFCo engraving, with the original design of the winged hourglass by Longines, a tribute to the brand's founder Ernest Francillon. The dial, lacquered black, has large luminescent numerals with SuperLuminova and blue hands that are also luminescent, ensuring excellent legibility in all conditions. The movement is mechanical automatic calibre L651.3, with a 42-hour power reserve.
For information: Swatch Group Italy Te. 02/575971
Data sheet
The Longines Istituto Idrografico R. Marina Watch L2.677.4.53.2
Self-winding mechanical movement
Calibre L651.3 (ETA 2894/2)
12½ lines, 37 rubies, 28 800 vibrations per hour
Power reserve 42 hours
Functions:Hours, minutes and seconds. Central 60-second sphere. 30-minute counter at 9 o'clock. Start, stop and reset
Case: Round, in steel, Ø 40 mm. Case back with cover engraved with original Longines EFCo Hydrographic Institute logo
Dial: Lacquered black, 12 Arabic numerals in superluminova. Small seconds sphere at 3 o'clock
Spheres: Baton squelette with superluminova
Waterproofing: Up to 30 metres
Glass: Hesalite
Strap: brown alligator leather
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