Rockford 15 Ruby Jewels Production Charts

Note: Production dates are estimations but should be accurate within +/- 3 years.

Rockford Watch Co. 15 Ruby Jewels Production Map Relative to Company Lifespan

Start of Production

End of Production

Grade	Production	Runs	Lowest	Highest	Start	End	Profile Code/Image
15 Ruby Jewels	400	6	61	58,700	1876	1878
	60	2	61	1,050	1876	1876	18s-M1-15j-EGK-APT-Ruby Jewels
	40		61	100	1876
	20		1,031	1,050	1876
	140	1	8,261	8,400	1877	1877	18s-M2-15j-HGK-APT-Ruby Jewels
	140		8,261	8,400	1877
	100	1	13,801	13,900	1877	1877	18s-M2-15j-HGT-APT-Ruby Jewels
	100		13,801	13,900	1877
	50	1	58,601	58,650	1878	1878	18s-M2-15j-HNT-APT-Ruby
	50		58,601	58,650	1878
	50	1	58,651	58,700	1878	1878	18s-M1-15j-EGK-APT-R
	50		58,651	58,700	1878