Kienzle 058b25

 
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Kienzle 058b25

Description

After WW II, Kienzle was one of the most important mass-producers of watches, which in its heytime supplied almost every fourth german wrist. This can only be reached with cheap mass products, with pin lever movements.

Nevertheless, Kienzle also tried to reach the “upper” marktes with either swiss movements from ETA or EB, or with own, better movements, such as the caliber 058b25 shown here.

It was constructed in a rather cheap column-type construction, but uses a swiss-type pallet lever escapement. It allows significantly better precision than a pin-lever escapement. Additionally, a large balance is used, which is beared in two KIF Trior shock protections.

Main plate with large driving wheel

Main plate with large driving wheel

The construction of the movement was very modern, especially compared to the older pin lever movements, since it already uses a decentral large driving wheel, which drives the minute hand indirectly and allows the use of a very large balance to allow better timing results.

Kienzle 058b25 dial side

Kienzle 058b25 dial side

On the dial side, there’s just a simple rocking bar winding mechanism, but at least the mainspring barrel uses an elaborate click mechanism.

The slowly advancing date can be corrected semi-fast by turning the time back and forth a few hours. To achieve that, the driving wheel uses a spring mechanism. The date indication is realized by a disc and not by a date ring.

Dial side without date disc

Dial side without date disc

Technical data

Manufacturer:Kienzle
Caliber:058b25
Number of jewels:17
Escapement:Pallet lever
Balance types: Nickel anular balance
Shock protection(s): KIF Trior
Balance bearing / direction hairspring:Clockwise
Moveable stud:no
Adjust mechanism:Hairspring key
Construction:
  • lever
  • escape wheel, seconds wheel, third wheel, large driving wheel, mainspring barrel
Winding mechanism:rocking bar winding system
Setting lever spring:2 hole(s)
Features:SCD,QG,RDR
Functions:hour, minute, second, day
A/h:18000
Size:12'''
Literature: Flume: K3 -

Usage gallery

Kienzle Sport gents watch

Kienzle Sport gents watch

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