Pocket Watch Database

Seth Thomas Size 18s Model 8: Overview & Production

Model 8 Features

Seth Thomas Model 18s 8 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 Openface
Plate 3/4
Setting Lever or Pendant
Finish Gilt or Nickel
Notes New Eagle Series
Model 8 Image Gallery

Model 8 Production

Total Production: ~15,300
Est. Production Years: 1902 - 1903
Earliest Serial: 700,001
Latest Serial: 722,200
Runs: ~28
Smallest Run: 100
Largest Run: 1,800
Distinctive Grades: 5

Model 8 Production Segments

Model 8 (All Variations): 15,300 ETP
Unknown: 4,900 (32.03%) Two-Tone: 10,400 (67.97%)
Openface: 15,300 (100.00%)
Lever: 15,200 (99.35%) Unknown: 100 (0.65%)
?j: 4,900 (32.03%) 7j: 5,700 (37.25%) 11j: 1,800 (11.76%) 15j: 2,200 (14.38%) 17j: 700 (4.58%)