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Movement Specs Production Pop. Registry 14 Value Ad Archive 5 For Sale Sell Your Watch Save to My Collection Print Page
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Lancaster Watch Co. Grade Keystone (Model 1) Production Metrics

Grade:

Keystone

Size:

18s

Model:

1

Total Runs:

5

Total Produced:

2,200

Production Era:

1879 - 1882

Earliest Serial:

#4,001

Latest Serial:

#35,300

Lancaster Watch Co. Grade Keystone (Model 1) Production By Year

Production dates are estimations based on serial number extrapolation and should be accurate within +/- 3 years.
[1879,1880,1881,1882,1883]
[1420,220,220,170,170]

Lancaster Watch Co. Grade Keystone (All Models) Production Metrics

Grade:

Keystone

Size:

18s

Model:

1

Total Runs:

8

Total Produced:

6,100

Production Era:

1879 - 1883

Earliest Serial:

#4,001

Latest Serial:

#35,300

Lancaster Watch Co. Grade Keystone Production By Year

Production dates are estimations based on serial number extrapolation and should be accurate within +/- 3 years.
[1879,1880,1881,1882,1883]
[4386,686,688,170,170]

Lancaster Watch Co. Grade Keystone Production Runs

Run Sequence Run Start Run End Quantity Est. Production Year Profile Code
1 4,001 4,500 500 1879 18S-M1-15J-AGK-U-NO. 7
2 4,501 5,200 700 1879 18S-M1-15J-AGK-ATI-NO. 7
3 10,201 10,700 500 1879 18S-M2-15J-HGL-U-NO. 4
4 19,001 21,000 2,000 1879 18S-M2-15J-HGL-ATI-NO. 4
5 24,001 24,600 600 1879 18S-M1-15J-AGK-U-NO. 7
6 24,601 26,000 1,400 1879 18S-M2-15J-HGP-ATI-NO. 4
7 27,001 27,100 100 1879 18S-M1-15J-AGK-ATI-NO. 7
8 35,001 35,300 300 1882 18S-M1-15J-AGK-ATI-NO. 7
RUNS

8

 FIRST

4,001

 LAST

35,300

 ESTIMATED PRODUCTION

6,100

 PRODUCTION ERA

1879 - 1883