Rockford Grade 550

Grade 550 is a 17j Hunting watch maufacturered by Rockford. The size 16s, Model 4 movement features a nickel finish.

Grade 550 Movement Characteristics

Size16s
Jewels17j
ConfigurationHunting
FinishNickel
Model4
SettingLever

Grade 550 Production Info

Total Production800
Number of Runs2
Production Years1899-1900
First Serial544,501
Last Serial558,500
Largest Run500
Smallest Run300
Most Common Run300