907
Mainspring loop end of Sizes: 8.00 x 0.35 x 1000mm, 8.00 x 0.42 x 1100mm, 7.50 x 0.38 x 1000mm,
7.00 x 0.32 x 900mm, 7.00 x 0.38 x 850mm
908
Mainspring loop end of Sizes: 7.50 x 0.22 x 550mm, 6.00 x 0.33 x 420mm, 5.00 x 0.30 x 450mm,
4.35 x 0.30 x 600mm, 3.25 x 0.27 x 600mm
909
Mainspring for American Wall clock loop end 3/4" x 0.18" x 96" (8 days)
910
Mainspring for American wall clock, loop end 11/16" x 0.18" x 96" (8 days)
911
Mainspring for American wall clock loop end 5/8" x 0.18" x 96" (8 days)
911A
Mainspring for American wall clock ¾" X 0.165" X 170" loop end (31 days )
912
Mainspring 30- hour loop end 3/8" x 0.14" x 48"
912A
Mainspring 30- hour loop end 5/16" x 0.15" x 42"
