Complicado,
No nosso amigo Ranfft Watches temos a seguinte tabela de gerações da familia:
family/generations:
sub second:
30 : 15 jewels, no shock protection
30T1: 15 jewels, no shock protection
30T2: 15 jewels, no shock protection
30T2PC: 15 jewels, Incabloc
260: =30T2 since 1949, 15 jewels
261: 17 jewels, antimagnetic
262: 17 jewels, excenter regulator
265: 15 jewels, antimagnetic
266,267: 17 jewels, antimagnetic
268: ring- instead screw balance
269: flat- instead Breguet-hairspring
sweep second:
30SC : 16 jewels, no shock protection
30T1: 16 jewels, no shock protection
30T2SC: 16 jwwels, no shock protection
30T2SCPC: 17/18 jewels, Incabloc
280: =Omega 30SC T2 since 1949, 17 jewels
281: 17 jewels, excenter regulator
283,284: 17 jewels, antimagnetic
285: ring- instead screw balance
286: flat- instead Breguet-hairspring
Todos com os 30,0mm
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