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Omega 17'''LOB

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.