OMEGA 19'''B-1208, Mainspring

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 fixing pints, A=the main fixing point, B=safety point.
• Wind the mainspring with starting at point A, make sure that the T-grip hooks into the barrel. When the mainspring is fitted, check the T-grip, it should be clearly visable and at left in the barrel opening.
• Pic 4. Correct lenght and strenght, the distance X = Y
• Mount the barrel lid with the "A" placed in the same position as oposite side.

Fits: OMEGA: 19''' Grade B, 15 Jewels. Lepine & Savonette.

• H: = 2,50
• D: = 19
• F: = 0,20
• L: = 600