55.00 mm case diameter, white double-sunk dial signed ELGIN, Arabic numerals with inner track calibrated to 24 units and outer red and black track calibrated to 60 units, blued steel spade hands, subdial at 12 and 6 o'clock for 40 hour power reserve indication and small seconds respectively, polished case back, stem wound and lever set 21 jewel nickel 3/4 plate movement adjusted to temperature, isochronism and five adjustments with a double roller, gilt inlay, gold setting screws and damaskeen finish signed FATHER TIME ELGIN ILL.

Movement number: 21869447.
Inner case back stamp: WATCH STAR CASE COMPANY 10K ROLLED GOLD PLATE 8608553.