Pocket Watch Database
Illinois Grade 438 (Model 1XT) Production Metrics
Grade:
438
Size:
12s
Model:
1XT
Total Runs:
7
Total Produced:
1,090
Production Era:
1917 - 1921
Earliest Serial:
#3,268,961
Latest Serial:
#3,904,850
Illinois Grade 438 (Model 1XT) Production By Year
Production dates are estimations based on serial number extrapolation and should be accurate within +/- 3 years.
[1917,1918,1919,1920,1921]
[40,70,80,450,450]
Illinois Grade 438 (All Models) Production Metrics
Grade:
438
Size:
12s
Model:
1XT
Total Runs:
7
Total Produced:
1,090
Production Era:
1917 - 1921
Earliest Serial:
#3,268,961
Latest Serial:
#3,904,850
Illinois Grade 438 Production By Year
Production dates are estimations based on serial number extrapolation and should be accurate within +/- 3 years.
[1917,1918,1919,1920,1921]
[40,70,80,450,450]
Illinois Grade 438 Production Runs
| Run Sequence | Run Start | Run End | Quantity | Est. Production Year | Profile Code |
|---|---|---|---|---|---|
| 1 | 3,268,961 | 3,269,000 | 40 | 1917 | 12S-M1XT-21J-ONP-AT |
| 2 | 3,269,901 | 3,269,960 | 60 | 1918 | 12S-M1XT-21J-ONP-AT |
| 3 | 3,388,371 | 3,388,380 | 10 | 1918 | 12S-M1XT-21J-ONP-AT |
| 4 | 3,482,401 | 3,482,480 | 80 | 1919 | 12S-M1XT-21J-ONP-AT |
| 5 | 3,650,601 | 3,650,900 | 300 | 1920 | 12S-M1XT-21J-ONP-AT |
| 6 | 3,761,801 | 3,761,950 | 150 | 1920 | 12S-M1XT-21J-ONP-AT |
| 7 | 3,904,401 | 3,904,850 | 450 | 1921 | 12S-M1XT-21J-ONP-AT |
RUNS7 |
FIRST3,268,961 |
LAST3,904,850 |
ESTIMATED PRODUCTION1,090 |
PRODUCTION ERA1917 - 1921 |