ETA Caliber 2671

Brand	ETA
Caliber Number	2671
Movement Type	Automatic
Size	7 3/4”’ (17.20mm overall diameter x 4.80mm height)
Jewels	25
Power Reserve	38 hours
Vibrations Per Hour	28,800, 4Hz
Shock System	Incabloc
Regulator System	Etachron with fine timing device
Features	Hours, minutes, seconds
Hacking Seconds	Yes
Country of Manufacture	Switzerland
Known Models	Hamilton Face to Face (H32856705)

This ETA caliber 2671 was found in a Hamilton Jazzmaster Face2Face watch which has dual automatic movements. Because of the double movement design, small movements were necessary. The small size is a notable feature of the 2671.