Pocket Watch Database
Illinois Grade 427 (Model 3) Production Metrics
Grade:
427
Size:
12s
Model:
3
Total Runs:
5
Total Produced:
3,100
Production Era:
1921 - 1927
Earliest Serial:
#3,932,101
Latest Serial:
#4,866,000
Illinois Grade 427 (Model 3) Production By Year
Production dates are estimations based on serial number extrapolation and should be accurate within +/- 3 years.
[1921,1922,1923,1927]
[400,700,1000,1000]
Illinois Grade 427 (All Models) Production Metrics
Grade:
427
Size:
12s
Model:
3
Total Runs:
5
Total Produced:
3,100
Production Era:
1921 - 1927
Earliest Serial:
#3,932,101
Latest Serial:
#4,866,000
Illinois Grade 427 Production By Year
Production dates are estimations based on serial number extrapolation and should be accurate within +/- 3 years.
[1921,1922,1923,1924,1925,1926,1927]
[400,700,1000,0,0,0,1000]
Illinois Grade 427 Production Runs
| Run Sequence | Run Start | Run End | Quantity | Est. Production Year | Profile Code |
|---|---|---|---|---|---|
| 1 | 3,932,101 | 3,932,500 | 400 | 1921 | 12S-M3-19J-ONP-A3PT |
| 2 | 4,082,101 | 4,082,300 | 200 | 1922 | 12S-M3-19J-ONP-A3PT |
| 3 | 4,083,801 | 4,084,300 | 500 | 1922 | 12S-M3-19J-ONP-A3PT |
| 4 | 4,196,001 | 4,197,000 | 1,000 | 1923 | 12S-M3-19J-ONP-A3PT |
| 5 | 4,865,001 | 4,866,000 | 1,000 | 1927 | 12S-M3-17J-ONP-A3PT |
RUNS5 |
FIRST3,932,101 |
LAST4,866,000 |
ESTIMATED PRODUCTION3,100 |
PRODUCTION ERA1921 - 1927 |