Ed: From a website, the criteria for a watch to be a RR watch:
Standard Requirements
(General - not from any specific set of rules)
Watches be:
American made 18 or 16 size
Fitted with 17 or more jewels
Temperature compensated
Adjusted to 5 positions
Lever Set
Timed to +/- 30 sec/week
Fitted with a:
Double roller
Patented regulator
Steel escape wheel
Plain while dial (but "Silvered" dials were allowed through the teens)
having:
Black Arabic numerals
Each minute delineated
Open face
Configured with the winding stem at 12 O'clock
Rich
Edited 1 time(s). Last edit at 10/15/2018 07:18PM by Rich Muth.