Two Hamilton "992" Watch Movement Samples
Two Hamilton "992" Watch Movement Samples, both with damascened plates and marked "Hamilton Watch Co. Lancaster/21 Jewel/992/Double Roller/Adjusted 5 positions," and "Elinvar" under the balance wheel, two handwritten factory tags read "Hamilton Model #1 and #2 16's-992 Friction Jeweled investigation #0005 11/23/31."
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Two Hamilton "992" Watch Movement Samples, both with damascened plates and marked "Hamilton Watch Co. Lancaster/21 Jewel/992/Double Roller/Adjusted 5 positions," and "Elinvar" under the balance wheel, two handwritten factory tags read "Hamilton Model #1 and #2 16's-992 Friction Jeweled investigation #0005 11/23/31."