Longines Master Collection model L2.773.4.51.6. Swiss made Longines Calibre L678 automatic movement with chronograph, triple date, moon phase, second time zone, and a pointer date. Solid stainless steel case and bracelet. Textured black dial with printed Roman numerals. Sapphire crystal. Water resistant to 30 meters.
Promo:
Factory Model Number. L27734516.
Swiss made Mechanical Automatic (Powered by wrist motion). Longines Calibre L678.
Movement Features:
Power Reserve up to 48 hours.
Functions:
24 hour format ( military ) hand. Triple Date Calendar - Day/Date/Month. Moon Phase indicator window. Pointer hand Date display. 12 hr, 30 min, 60 sec registers chronograph.
Highly polished finish, solid 316L Stainless steel.
Factory Logo engraved/embossed.
Sapphire. Very slight dome profile.
Black color. Roman printed numerals. Guilloche texture with a "barleycorn" pattern.
Case Back:
Snap-on style ( press fit ). Observation crystal.
Solid AISI 316L stainless steel. Combination satin/polished finish.