Pocket Watch Database
New York Watch Co. Size 18s Model 1870: Overview & Production
* Assigned by Researchers
Model 1870* Features
Movement Diagram
Note: Diagrams and photos displayed are intended to serve as a represenation of this model.
Plate cut, finishing style, jewel count, regulator, and other features may differ between grades within the same model designation.
Plate cut, finishing style, jewel count, regulator, and other features may differ between grades within the same model designation.
| Size | 18s |
| Configuration | Either |
| Plate | Full |
| Setting | Key |
| Finish | Gilt |
| Notes | Long Balance Cock |
| Model 1870 Image Gallery | |
Model 1870 Production
| Total Production: | ~33,510 |
| Est. Production Years: | 1870 - 1873 |
| Earliest Serial: | 10,001 |
| Latest Serial: | 44,000 |
| Runs: | ~185 |
| Smallest Run: | 10 |
| Largest Run: | 1,000 |
| Distinctive Grades: | 7 |
Model 1870 Production Segments
| Model 1870 (All Variations): 33,510 ETP | |
| Gilt: 33,430 (99.76%) | Nickel: 80 (0.24%) |
| Either: 33,510 (100.00%) |
| Key: 33,510 (100.00%) |
| ?j: 3,110 (9.28%) | 7j: 8,930 (26.65%) | 11j: 14,010 (41.81%) | 15j: 7,460 (22.26%) |
Model 1870 Technical Specifications
| Movement Thickness (with dial): | 9.68mm |
| Pillar Plate Diameter: | 45.85mm |
| Core Diameter: | 42.75mm |
| Weight (with dial and hands): | 53.85g |
| Measurement Notes: | Measurements taken without dial and hands. |
Note: Measurements may vary slightly depending on features, style, and time of production.
These measurements were taken on movement #20231.