The Longines Avigation Watch Type A-7
Case: Round, in stainless steel with scratch-resistant sapphire crystal.
Diameter: 49.00 mm. Water-resistant to 3 bars (~ 100 feet).
Movement: L788, Self winding mechanical column wheel chronograph movement beating at 28'800 vibrations per hours and providing 54 hours of power reserve
Functions:Hours, minutes, small second at 9 o'clock and date. Chronograph mechanism: central 60 seconds hand and 30 minutes counter at 3 o'clock.
Dial: Black dial featuring 10 silver Arabic numerals.
Bracelet: Black alligator strap.