Elgin National Watch Co.
Grade: 291
| Manufacturer: | Elgin |  |
| Manufacturer Location: | Elgin, Illinois | |
| Movement Serial Number: | 22653440 | |
| Grade: | 291 | |
| Model: | 7 | |
| Class: | 110 | |
| Estimated Production Year: | 1920 | |
| Run Quantity: | 9,000 | |
| Grade/Model Run: | 229 of 424 | |
| Grade/Model Total Production: | 1,487,000 | |
| Variant Est. Production: | 1,462,000 (16S-M7-7J-ONP) | |
| Size: | 16s | |
| Jewels: | 7j | |
| Movement Configuration: | Openface | |
| Movement Finish: | Nickel | |
| Movement Setting: | Pendant | |
| Plate: | 3/4 Plate | |
| Barrel: | Going | |
| Balance Type: | Expansion | |
| Balance Jewel Material: | Ruby | |
| Train: | Quick | |
| Regulator: | Plain | |
| Hairspring: | Breguet | |
| Standard Dial Type: | Single-Sunk | |
| Adjusted: | No | |
| Railroad Grade: | No | |
| U.S. Patents: | 596407, 77078, 585025 | |
| Data Research: | 1927/1950 Elgin Serial List | |
| Case: | Various | |
| Run ID: | 11158.291G229.16S2784.167M1037.O4743.P8317.7J4694 | |
| Database Version: | v52.232 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 4,477.02 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 1,730.02 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 2.939% | |
| Registry Population: | 26 (0.29%) | |