7 3/4”’ (17.20mm overall diameter x 4.80mm height)
Vibrations Per Hour
Etachron with fine timing device
Hours, minutes, seconds
Country of Manufacture
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.