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Rolex NOS OEM Automatic caliber, movement 2135, 29 jewels ladies watches Oyster Perpetual Date
Rare Automatic factory Rolex watch caliber lady Ref 2135.
NEW & NEVER USED.
Sold with stem & gold Twinlock crown.
The Rolex 2130 & 2135 movements both utilize the same perpetual mechanism to wind the mainspring as the watch is being worn.
This movement has an oscillating weight that rotates in both directions.
2135 movement contains 29 jewels many of which are located within the auto winding mechanism
The markings show that the movement has 29 jewels and is adjusted to 5 positions and is also adjusted for temperature.
The temperature adjustment is a function of the hairspring and balance.
The beat rate per hour is 28,800.
Notice the oscillating weight arbor.
This is very small and is only .59mm in diameter, yet it supports the entire oscillating weight.
This small arbor is riveted into the weight.
Special tools are used to install these arbor when replacement is necessary.
It is very important that Rolex watches are serviced on a regular basis to prevent damage to these delicate parts.
Very rare to find, don't miss it !
Rolex Retail Europ price : 2095 € (10.05.2013)
GUARANTEED 1OO% AUTHENTIC