The Elgin 159 is a mechanical watch movement featuring a pin-lever escapement, ratchet on the dial side, and a crown mechanism with a rocker bar. While the specific differences between the 1438 and 1465 are unknown, the 1438 movement incorporates manual winding, sub-second display, and a date function. It belongs to the Pin Lever category and includes a calendar complication. The period of use for this movement is approximately around 1950.