OMEGA 19'''B-5310, Screw for Cap jewel for balance insetting - Upper

OMEGA original screw for insetting with Cap jewel for balance, upper. In very good used condition. 1 pcs (2 pcs/movement) Fits cal: 19'''LOB, 19'''SAB Data: Omega 19'''LOB (L=Lepine, O=Omega cal, B=Grade) 15 jewels, open face caliber, sub second. Size: 19''' 42.7 mm. H: = 6.55 mm. N: = 18000 A/h. Power reserve: 38 h. Versions: L = Lépine, O = Omega caliber, S = Savonette, A - DDR = Quality/Grade, NN = new negative wind/setting mechanism. Grades: A: 7 jewels, flat hairspring, compensating balance. B: 15 jewels, Breguet hairspring, compensating balance. C: 15 - 19 jewels, regulator adjuster with screw or snail-star wheel, 7-8 collets. CC: Fine C quality. CCC: Very fine CC quality for 19 and 20''' CCR: Extra fine CC quality for 19 and 20''' CCCR: 23 jewels, 15 collets for 19 and 20''', official chronometer. DDR: 23 jewels, 18 collets for 19 and 20''', official chronometer, after 1922 signed Very Best. About our used parts! All our used parts are cleaned and thoroughly checked by a WOSTEP Certified watchmaker, often they comes from a working movement. Minor imperfections may occur, but nothing that affects the function.