American Waltham Watch Co.
Grade: No. 620
Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 21980114
Grade: No. 620
Model: 1908
Estimated Production Year: 1918
Run Quantity: 3,000
Grade/Model Run: 156 of 197
Grade/Model Total Production: 354,099
Variant Est. Production: 149,500 (16S-M1908-15J-HNP)
Size: 16s
Jewels: 15j
Jewel Setting: Screw-Set
Movement Configuration: Hunting
Movement Finish: Nickel
Movement Inlay Color: Black
Movement Setting: Pendant
Plate: Bridge Plate
Regulator: Church 1892
Hairspring: Breguet
Adjusted: No
Railroad Grade: No
Movement Markings: A.W.W.Co.
Waltham, Mass.
15 Jewels
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Case: Various