MAINSPRINGS

AS original balance staff, not in factory packaging. Fits AS cal: 1203, 1204 Fits FELSA cal: 390, 391, 395, 399, 750, 751, 752, 755, 756 Data: AS 1203 15 jewels,...

Manufacturer: YTIRE, Corgémont, Switzerland. Material: Blued, hardened steel. Fits cal: 1203, 1207, 1263, 1266, 1267, 1311, 1314   H: = 1.75 D: = 9,5 F: = 0,115 L: = 340...

Manufacturer: Sirinox Switzerland Fits AS cal: 984, 1002, 1007, 1027, 1114, 1128, 1154 H: = 1,65 D: = 9 F: = 0,10 L: = 295

PRIMA mainspring in factory packaging. Fits cal: 2412 Technical data ETA cal: 2412 17/19/21 jewels, manual wind. S: = 6.75''' 15.3 mm. H: = 3.40 mm. N: = 21.600 A/h....

Manufacturer: Prima, no: 80 D 15 Fits cal: ETA: 610 Eterna: 610 Orion: 488 H: 0,80 D: 5 F: 0,065 L: 80

Manufacturer: Prima no: 170 K 40 BA BA = Double brace. Fits: Longines: 12L, 12LN, 12LNS, 12LS, 27 H: = 1,70 D: = 10 F: = 0,095 L: = 400...

Replacent mainspring for  cal: 13-20 chronograph Manufacturer: Prima no: 150 S 35 Fits Minerva 13-20 H: = 150 D: = 11 F: = 0,13 L: = 350

Manufacturer: Prima no: 180 EE 46 AT AT = Double brace and hole. Fits: Omega: 17''', 18'''C, 18'''LOB, 18'''LPB, 18'''P, 18'''SB, 18'''SPB, 18'''39 H: = 1,80 D: = 15 F:...

OMEGA replacement mainspring, made by PRIMA, Switzerland no: 250 JJ 60 AT. This mainspring have to be manually wounded into the barrel, how to do: Pic. 1, 2. Identify the...