Longines
L2.909.4.78.6 The Longines Master Collection
round
Scratch-resistant sapphire crystal
Transparent case back with sapphire crystal
40 mm
21mm
Up to 3 bar
11.1mm
Silver "barleycorn"
Painted Arabic numerals
Blued steel hands
up to 72 hours
Automatic
L899
Self-winding mechanical movement beating at 25'200 vibrations per hour
Hours, minutes, seconds, moon phase display and date indicated by small hand at 6 o'clock
Moon-phase
Stainless steel
With triple safety folding clasp and push-piece opening mechanism