The Longines Istituto Idrografico R. Marina Watch enters history
The Longines Sport Legends line pays tribute to the pioneers of discovery and sport whose exploits were timed and measured by Longines. This year the brand known by its winged hourglass trademark is celebrating the 70th anniversary of the wrist chronograph developed in 1938 for the cartographers of the Istituto Idrografico della Regia Marina in Italy by reissuing this model.

• Reference number The Longines Istituto Idrografico R. Marina Watch in stainless steel L2.677.4.53.2
• Caliber Self-winding mechanical movement, caliber L651.3 (ETA 2894/2) 12½ lines, 37 jewels, 28,800 vibrations per hour
• Power reserve of 42 hours
• Functions Hours, minutes and seconds
• Chronograph Center 60-second hand 30-minute totalizer at 9 o'clock
• Case Round, stainless steel, 40 mm
• Back stamped with the Istituto Idrografico R. Marina logo that opens to reveal an engraved caseback with the original Longines EFCo logo
• Dial Black lacquered, 12 superluminova luminescent Arabic numerals
• Subdial for seconds at 3 o'clock
• Hands Blued "baton skeleton" hands with superluminova coating
• Water-resistance To 30 meters (~ 100 feet)
• Crystal Hesalite
• Strap Dark brown genuine Alligator strap with buckle