Longines - L687.2

L687.2

Brand:	Longines
Family:	Longines > Calibers
Reference:	L687.2 Mã chính thức do nhà sản xuất đặt
SKU:	LonginesL687.2 Product codes are set by thuviendongho to help classify and identify them more easily
Name:	L687.2
Produced:	? In production

Country of Manufacture	Swiss Made, Switzerland

Caliber	ETA Caliber 7751
Movement type	Self Winding
Functions	Chronograph, ADD-function, Date, Day, Day / night indicator, Hacking stop, Month, Moon phase, Quick date Correction
Display	8 hands, Central hour hand, Central minute hand, Small second hand at 9:00, Central second chronograph hand, 30-minute chronograph hand at 12:00, 12-hour chronograph hand at 6:00, 24-hour hand at 9:00, Central date hand, Day window at 12:00, Month window at 12:00, Moon phase wheel at 6:00
Chronograph	Column wheel, 60-second counter, 12-hour counter, 30-minute counter
Power reserve	54 h
Jewel	25
Frequency	28,800 vph (4Hz)

Detailed description

There is a notable evolution in the calibre L687 with some important differences.

L687.2 – Regular balance spring, ETACHRON regulator, Incabloc or Nivachoc anti-shock, 54 hours power reserve
L687.5 – Silicon balance spring, free-sprung balance wheel, Nivachoc anti-shock, 66 hours power reserve

At the time of this caliber listing, the current variation is the L687.5 as seen in the image at the top of the page.

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