Pocket Watch Database
Manistee Watch Co. Size 18s Model 1B: Overview & Production
* Assigned by Researchers
Model 1B* Features
Movement Diagram
Example Image
Dial Plate Image
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 | Openface |
| Plate | 3/4 |
| Setting | Pendant |
| Finish | Nickel |
| Notes | Cutaway Plate |
| U.S. Patents | 741092 |
| Model 1B Image Gallery | |
Model 1B Production
| Total Production: | ~8,640 |
| Est. Production Years: | 1908 - 1910 |
| Earliest Serial: | 11 |
| Latest Serial: | 10,500 |
| Runs: | ~12 |
| Smallest Run: | 10 |
| Largest Run: | 2,700 |
| Distinctive Grades: | 1 |
Model 1B Production Segments
| Model 1B (All Variations): 8,640 ETP |
| Nickel: 8,640 (100.00%) |
| Openface: 8,640 (100.00%) |
| Pendant: 8,640 (100.00%) |
| 7j: 8,640 (100.00%) |
Model 1B Technical Specifications
| Movement Thickness (with dial): | 7.61mm |
| Pillar Plate Diameter: | 45.61mm |
| Core Diameter: | 42.80mm |
| Weight (with dial and hands): | 43.02g |
| Measurement Notes: | Weight measurement without hands. |
Note: Measurements may vary slightly depending on features, style, and time of production.
These measurements were taken on movement #00288.