Omega 17'''LOB
Tax included.
- Not for sale!
Manufactured from 1898 in quality A - C.
movement, no: 5 497 020 manufactured in aprox: 1920
Data: Omega 17'''LOB
- 15 jewels, open face caliber, sub second.
- Size: 18''' 37.70 mm.
- H: = 5.10 mm.
- N: = 18.000 A/h.
- Power reserve: -- h.
- Mainspring: 1,80 x 15 - 0,18 - 460 AT = Double brace and hole.
Versions: L = Lépine, O = Omega caliber, S = Savonette, A - C = 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.
Versions:
- 17'''LOA: 7 jewels, flat hairspring. 1898 - 1906
- 17'''LOB: 15 jewels, Breguet hairpspring. 1898 - 1932
- 17'''LOC: 15-19 jewels, Breguet hairspring, regulator, geneva stopwork.
- 17'''BULL: 21 jewels, Chronometre.