1625--1.27mil SN, IV.65, YG "Thunderbird" bezel, double-SWISS dial--posted by Darlinboy

Note: "Model #1625 "Thunderbird"
Case serial #1,27x,xxx
Inner caseback date stamp: IV 65
Caliber of movement: 1565 (non-quickset, non-hack)
Comments/provenance: Unusual double-Swiss dial." - P.R.