Elgin
Elgin Grade 72
Grade 72 is a 21 Jewels Convertible watch manufactured by Elgin. The size 16s, Model 1 movement features a Nickel finish and is adjusted to 5 positions, isochronism and temperature. During the time the watch was manufactured, it would have qualified for railroad service and is considered to be railroad grade. Each movement was fitted at the factory with a double-sunk dial. Elgin manufactured a total of 450 Grade 72 movements in 1 distinctive runs.
Grade 72 Movement Characteristics
| Size | 16s |
|---|---|
| Jewels | 21 Jewels |
| Configuration | Convertible |
| Finish | Nickel |
| Model | 1 |
| Setting | Lever |
| Adjusted | Yes |
| Railroad Grade | Yes |
| Profile Code | 16s-M1-21j-CNL |
Grade 72 Production Info
| Total Production | 450 |
|---|---|
| Number of Runs | 1 |
| Production Years | 1879-1879 |
| First Serial | 607,001 |
| Last Serial | 607,450 |
| Largest Run | 450 |
| Smallest Run | 450 |
Research Notes
"Fully Adjusted" in 1892 New England Jeweler Catalog
Adjusted to H,C,I, and Positions in 1896 ACB Catalog
"Adjusted to Heat, Cold, Isochronism and Position" in c.1891 Eppenstein Catalog
Elgin factory serial lists designate two runs for Grade 72:
607,001-608,000
1,154,001-1,155,000
However, all known examples are found between 607,001-607,450 indicating an actual production of 450 instead of 2,000.