| Grading System | |
|---|---|
Grade: AA |
Very good |
Case: 3 |
Good |
Movement: 3* |
Good Overhaul recommended, at buyer's expense |
Dial: 3 |
Good |
Brand IWC
Year Circa 1910
Movement No. 647904
Calibre HS, 18”’ matte gilt, 18 jewels, four in screwed chatons, straight line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring with terminal curve, swanneck micrometer regulator
Case No. 745070
Diameter 52 mm
Signature Case, dial and movement