Rockford Size 18s Model 2: Overview & Production

Model 2 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.

Size	18s
Configuration	Hunting
Plate	Full
Setting	Lever
Finish	Gilt or Nickel
Notes	Two Case Screws
Model 2 Image Gallery

Model 2 Production

Total Production:	~38,610
Est. Production Years:	1876 - 1883
Earliest Serial:	1
Latest Serial:	177,000
Runs:	~29
Smallest Run:	10
Largest Run:	10,000
Distinctive Grades:	5

Model 2 Production Segments

Model 2 (All Variations): 38,610 ETP
Gilt: 37,560 (97.28%)	Nickel: 1,050 (2.72%)

Hunting: 38,610 (100.00%)

Lever: 9,020 (23.36%)	Key: 2,640 (6.84%)	Transition: 26,950 (69.80%)

7j: 3,000 (7.77%)	9j: 4,000 (10.36%)	11j: 11,400 (29.53%)	11/15j: 5,000 (12.95%)	15j: 15,090 (39.08%)	19j: 120 (0.31%)

Model 2 Technical Specifications

Movement Thickness (with dial):	12.03mm
Pillar Plate Diameter:	45.62mm
Core Diameter:	44.39mm
Weight (with dial and hands):	66.65g
Measurement Notes:	Measurements taken with dial, no hands, plus dust band.

Note: Measurements may vary slightly depending on features, style, and time of production.