The twelve ligne pin lever movement Thiel Lola was launched in the 1920ies, and it got an overhaul in the end of that decade.
A special feature is the movement side red-colored steel bearing for the balance, whose shape of which should remind of a screw balance. Just as misleading as the balance ring, is the red color, since there are no jeweils at all, neither as bearings nor on the balance’s ellipse.
The base plate shows all signs of a cheap mass production. All bearings are only simple drillings into the yellow burnt brass plate, and the ratchet is also simple, but a genious construction, since its it ratchet and spring in one single part.
We have the classical gear train here with directly driven center minute wheel, followed by third wheel, seconds wheel at 6 o’clock and finally the escape wheel.
This pillar construction, which is built on a stamped brass plate, builds pretty high, which is standard these days.
The monometallic anular balance wheel with its bulges should remind of a screw balance. It beats with the usual 18000 A/h and is not shock protected but has got a rugged pointed staff.
Its frequency can be adjusted with a long regulator arm with scale on the gear train three-quarter bridge.
On the dial side, you see the rocking bar winding mechanism and the height-adjustable balance bearing.
The Thial Lola was replaced in the late 1930ies by the Thiel Start.
Nickel anular balance|
|Balance bearing / direction hairspring:||Clockwise|
|Adjust mechanism:||Long regulator arm|
|Construction type:||pillar construction|
|Winding mechanism:||rocking bar winding system|
|Setting lever spring:||3 hole(s)|
|Functions:||hour, minute, decentral second|
|Production period:||1927 - 1938|
Werksucher: Jacob 1942 41|