E. Howard 19 Jewel 16 Size Model 1907 Series 5 Railroad Montgomery Dial Pocket Watch, circa 1911

Pocket Watch Weight: 99.96grams
Case Width: 52mm

Grade: Series 5
Manufacturer: E. Howard Watch Co. (Keystone)
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 1078211
Grade: Series 5
Model: 1907
Estimated Production Year: 1911
Run Quantity: 500
Total Production: 15,050
Size: 16s
Jewels: 19j
Jewel Material: Ruby & Sapphire
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Lever
Plate: Bridge Plate
Bridge Type: Center
Double Roller: Yes
Barrel: Jewelled Motor
Regulator: Reed
Hairspring: Breguet
Pallet Jewel Material: Sapphire
Standard Dial Type: Double-Sunk
Adjusted: Yes
Adjusted to Position: Yes
Adjusted # of Positions: 5
Adjusted to Temperature: Yes
Adjusted to Isochronism: Yes
Railroad Grade: Yes
Dial Feet Locations: 10.7, 24.3, 48.9