Pocket Watch Database
U.S. Watch Co. (Waltham, Mass) Size 18s Model 1888H: Overview & Production
Model 1888H Features
Movement Diagram
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Example Image
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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 | Hunting |
| Plate | Full |
| Setting | Lever |
| Finish | Gilt or Nickel |
| Notes | Introduced 1888 |
| Model 1888H Image Gallery | |
Model 1888H Production
| Total Production: | ~58,800 |
| Est. Production Years: | 1888 - 1901 |
| Earliest Serial: | 20,001 |
| Latest Serial: | 607,000 |
| Runs: | ~90 |
| Smallest Run: | 40 |
| Largest Run: | 4,500 |
| Distinctive Grades: | 19 |
Model 1888H Production Segments
| Model 1888H (All Variations): 58,800 ETP | |||||
| Gilt: 27,300 (46.43%) | Nickel: 18,140 (30.85%) | Unknown: 8,400 (14.29%) | Gilt Damaskeened: 600 (1.02%) | Two-Tone: 660 (1.12%) | Acid Etched: 3,700 (6.29%) |
| Hunting: 58,800 (100.00%) |
| Lever: 58,800 (100.00%) |
| ?j: 8,400 (14.29%) | 7j: 17,600 (29.93%) | 11j: 16,750 (28.49%) | 11/15j: 1,800 (3.06%) | 15j: 12,400 (21.09%) | 16j: 400 (0.68%) | 17j: 1,450 (2.47%) |
Model 1888H Technical Specifications
| Movement Thickness (with dial): | 12.13mm |
| Pillar Plate Diameter: | 45.80mm |
| Core Diameter: | 42.76mm |
| Weight (with dial and hands): | 60.21g |
| Measurement Notes: | Weight measurements taken without hands. |
Note: Measurements may vary slightly depending on features, style, and time of production.
These measurements were taken on movement #99685.