OMEGA 19'''LOB, Center wheel Part No 049 / 1220
OMEGA genuine rare vintage 19'''LOB center wheel (without cannon pinion). This part corresponds to the older Omega part number 049, which updates to the never system number 1220. NOTE! Close up pictures of the center wheel are example pictures of what to minimum expect of the condition.
The wheel has been meticulously inspected and verified by a WOSTEP-certified watchmaker to ensure complete structural integrity and correct dimensions.
Technical Specifications & Measurements:
- Caliber Compability: OMEGA 19''' LOB
- Old Part Number: 049
- New Part Number: 1220 (without cannon pinion).
- Pivot Sizes: 0.89 mm. (Picture: 1)
- Distance Between Pivots: 3.63 mm. (Picture: 2)
- Pinion Total Diameter: 3.16 mm.
Condition:
Pre-owned in very good vintage condition. There is absolutely no measurable wear or structural deformation on the theet or pivots. Please note that light surface hazing is present on the bearing/pivot surfaces, which is completely normal for a vintage component of this era and does not affect its performance.
Data: Omega 19'''LOB
- 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.
