Longines Caliber L888 ND Watch Movement

Longines Caliber L888 ND

Brand	Longines
Caliber Number	L888 (no date version)
In-House?	No
Base Caliber	ETA A31.L11
Movement Type	Automatic
COSC?	No
Lignes	11 1/2”’
Diameter	25.6mm
Height	3.85mm
Jewels	21
Power Reserve	~72 hours
Lift Angle	51 degrees (unconfirmed!)
Vibrations Per Hour	25,200, 3.5Hz
Shock System	Nivashock
Balance Spring	Silicium (silicon)
Rotor	Ball bearing system
Winding Direction	Bi-directional
Hacking?	Yes
Hand-Windable?	Yes
Hand-Count	3
Features	Central hours; central minutes; central sweeping seconds
Country of Manufacture	Switzerland, Swiss made
Known Models	Longines Heritage Military (ref: L2.819.4.93.2); Longines Legend Diver (L3.774.4.50.6, L3.774.4.50.0) (Add your watch in the comments below…)

The Longines caliber L888 No Date is 3-hand automatic watch movement based on the ETA caliber A31.L11. It is a Swiss made with 21 jewels, produced by ETA (Swatch Group).

This time only configuration is found in the limited edition Longines Heritage Military (reference L2.819.4.93.2) that was announced on November 27, 2019.

The date version of the caliber L888 is more common. Interestingly, Longines offers pdf and video instruction manuals for the L888 date models, but not for the no date.