Pocket Watch Database
Hamilton Size 18s Model 1: Overview & Production
Model 1 Features (Variation 1)
Movement Diagram
Example 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 | Full |
| Setting | Lever or Pendant |
| Finish | Gilt or Nickel |
| Model 1 Image Gallery | |
Model 1 Features (Variation 2)
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 | Openface |
| Plate | Full |
| Setting | Lever |
| Finish | Nickel |
| Notes | Variant A Motor Barrel (3-Screw Set) |
| Model 1 Image Gallery | |
Model 1 Production
| Total Production: | ~526,864 |
| Est. Production Years: | 1893 - 1924 |
| Earliest Serial: | 1 |
| Latest Serial: | 1,450,500 |
| Runs: | ~487 |
| Smallest Run: | 2 |
| Largest Run: | 8,000 |
| Distinctive Grades: | 19 |
Model 1 Production Segments
| Model 1 (All Variations): 526,864 ETP | |||
| Nickel: 524,646 (99.58%) | Gilt: 1,076 (0.20%) | Two-Tone: 1,100 (0.21%) | Unknown: 42 (0.01%) |
| Openface: 526,864 (100.00%) |
| Lever: 526,822 (99.99%) | Unknown: 42 (0.01%) |
| ?j: 40 (0.01%) | 7j: 1,000 (0.19%) | 15j: 6,082 (1.15%) | 16j: 4,800 (0.91%) | 17j: 271,449 (51.52%) | 19j: 9,790 (1.86%) | 21j: 223,011 (42.33%) | 23j: 10,692 (2.03%) |