Tissot 27.2-272023, Centre wheel

• TISSOT original part, NOS without factory packaging.
  

• Comes without cannon pinion.
  

• Fits cal: 27.2, 27.23, 27.2T, 27.21T, 27B.2, 27B.21, 27B.61, 27B.621, with sweep second.
  

Versions:

• 27:            sub second. no shock protection.
• 27 PC:       sub second, shock resist.
• 27 PC SC:  sweep second, shock resist.
• 27.1:         sub second, incabloc. (1949 - 1951).
• 27.2:         sweep second. (1936 - 1938).
• 27.3:         sub second, shock resist. (1940 - 1942).
• 27.23:       sweep second, shock resist. (1940 - 1942).
• 27.63:       sub second, date hand, shock resist. (1944 - 1945).
• 27.7:         sub second, super shock resist. (1948).
• 27.T:         sub second. (1950 - 1952).
• 27.1T:       sub second, incabloc. (1950 - 1952).
• 27.2T:       sweep second. (1950 - 1952).
• 27.21T:     sweep second, incabloc. (1950 - 1952).
• 27.61T:     sub second, date hand, incabloc. (1950 - 1952).
• 27B:          sub second. (1950 - 1961).
• 27B.1:       sub second, incabloc. (1950 - 1961).
• 27B.2:       sweep second. (1950 - 1961).
• 27B.21:     sweep second, incabloc. (1950 - 1961).
• 27B.61:     sweep second, date hand, incabloc. (1950 - 1961).
• 27B.621:   sweep second, date, incabloc. (1950 - 1961).
• 27B.9:       no second, incabloc. (1950 - 1961).