BALANCE SPRING : FLAT FORM PLASTIC CASE
BALANCE SPRING 1.0N FLAT FORM PLASTIC CASE : CN – PC (A4078)
BALANCE SPRING 1.0N/100G FLAT FORM PLASTIC CASE – PC (A0038)
BALANCE SPRING 2.5N/250G FLAT FORM PLASTIC CASE – PC (A0039)
BALANCE SPRING 5.0N/500G FLAT FORM PLASTIC CASE – PC (A0040)
BALANCE SPRING 10.0N/1000G FLAT FORM PLASTIC CASE – PC (A0041)
BALANCE SPRING 20.0N/2000G FLAT FORM PLASTIC CASE – PC (A1939)
Balance spring 50.0N/5000g dual scale Flat form plastic case (A3975) (pc)
Balance spring 500.0N/50000g Dial type Flat form plastic case (A3977) (pc)
BALANCE SPRING 100.0N/10000G FLAT FORM PLASTIC CASE – PC (A3976)