Longines
L3.774.2.50.9 Legend Diver
Round
Scratch-resistant sapphire crystal, with several layers of anti-reflective coating on the underside
Screw-down case back
42 mm
22mm
300m
Black lacquered polished
Painted Arabic numerals and indexes
Silvered polished hands
Date indicated at 3 o'clock
64 hours
Automatic
L888
Self winding mechanical movement beating at 25'200 vibrations per hour and providing 64 hours of power reserve
Hours, minutes, seconds and date
Internal turning diving flange, Screw-in crown
Rubber
Black
With double safety folding clasp and integrated diving extension