Pocket Watch Database

Rockford Size 18s Model 1: Overview & Production

Model 1 Features

Rockford Model 18s 1 Diagram

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.
Size 18s
Configuration Either
Plate Full
Setting Key
Finish Gilt or Nickel
Notes One Case Screw
Model 1 Image Gallery

Model 1 Production

Total Production: ~114,390
Est. Production Years: 1876 - 1882
Earliest Serial: 11
Latest Serial: 153,000
Runs: ~118
Smallest Run: 20
Largest Run: 11,000
Distinctive Grades: 9

Model 1 Production Segments

Model 1 (All Variations): 114,390 ETP
Gilt: 107,390 (93.88%) Nickel: 5,000 (4.37%) Unknown: 2,000 (1.75%)
Either: 107,390 (93.88%) Hunting: 7,000 (6.12%)
Key: 101,390 (88.64%) Transition: 9,000 (7.87%) Lever: 4,000 (3.50%)
7j: 9,000 (7.87%) 9j: 53,250 (46.55%) 11j: 31,950 (27.93%) 11/15j: 2,000 (1.75%) ?j: 2,000 (1.75%) 15j: 16,110 (14.08%) 19j: 80 (0.07%)