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Timex M74

 
Timex M74 |

Timex M74

Description

Timex also had a 21 jewel selfwindig movement in a few of their watches: The caliber M74 is basically a M72 with hour, minute and second indication with an additional selfwinding mechanism.

It is also the only Timex movement, I’ve ever seen, which is marked with the jewel count.

Technically, as all other Timex selfwinding movements, the rotor tends to loosen and rattle. It does not affect the winding efficiency due to the heavy weight, but it makes the whole watch rattling while being worn. On that very M74, the mainspring is broken, too.

Technical data

Manufacturer:Timex
Caliber:M74
Size:13'''
A/h:18000
Number of jewels:21
Escapement:Pin lever
Balance types:Nickel anular balance
Shock protection(s):none
Balance bearing / direction hairspring:Bridge
Moveable stud:no
Adjust mechanism:Hairspring key
Construction:
  • lever, escape wheel, seconds wheel, third wheel, large driving wheel, mainspring barrel
Features:
  • SCD (direct center seconds)
  • AUT (selfwinding)
Mentioning in literature/catalogs (years):1963 - 1969
Hint: The jewel count, the types of balances used, and the shock protections employed refer only to the specimens held in the archive and are therefore not relevant for the precise identification of the movement.

Links

Related Movements

Timex M24:
base caliber with direct center seconds indication, often unused
Timex M25:
M24 with date indication (slowly advancing) with small numbers
Timex M27:
M24 with day-date with space inbetween and instant date change
Timex M31:
M24 with automatic
Timex M32:
M24 with automatic with slowly advancing date indication with small numbers
Timex M33:
M24 with automatic, day-date (with space inbetween) and instant date change
Timex M72:
base caliber with with 21 jewels, based on M24
Timex M74:
M72 with automatic
Timex M78:
base caliber, different bridge shape and movement-side screws, otherwise based on M24
Timex M100:
M78 with simpler ratchet and dial mounted on own plate
Timex M101:
M78 with date indication with larger numbers
Timex M102:
M78 with day-date indication with small space inbetween
Timex M104:
base caliber with bridge with more holes, otherwise based on M24
Timex M105:
M104 with larger date indication and simpler ratchet
Timex M108:
M104 with automatic and larger date indication
Timex M114:
base caliber with bridge with more holes, otherwise based on M78
Timex M116:
same as M104

Other movements from Timex