DuRoWe 410

 
DuRoWe 410

DuRoWe 410

Description

The DuRoWe 410, whose origins date back the 1930ies (caliber 202), was a 10 12 ligne manual wind movement from Germany with a decentral seconds indication at 6 o’clock.

base plate

base plate

On the base plate, you can see the good quality of the movement: All important bearings are equipped with synthetic rubies, in total, this movement uses 15 jewels.

gear train

gear train

The DuRoWe 410 uses the traditional gear train with mainspring, directly driven center minute wheel, third wheel, seconds wheel at 6 o’clock and finally the steel escapement wheel, which is beared under an own cock.

side view of the gear train

side view of the gear train

The screw balance is of course not yet shock protected. It beats contemporarily slow with 18000 A/h and regulates a pallet lever escapement of swiss type.

With the long regulator arm, the exact beating frequency can be adjusted.

Durowe 410: Dial side

Durowe 410: Dial side

There are no surprises on the dial side. Of course, like on all better movements, a yoke winding system is used. You can see its characteristical shape, which helps on identifying the movement.

In the lab

The specimen shown here came gummed and with broken winding mechanism in the archive, was cleaned and oiled and got a new click spring.

Timegrapher result

The values are quite presentable for the fact that the movement was completely resinated and entered the archive in an unviable state. A new mainspring and a new balance staff plus correction of the beat error is likely to deliver significantly better results.

horizontal positions
dial up +59 s/d 156° 5.1ms
dial down +68 s/d 224° 2.1ms
vertical positions
crown right (12 up) -20 s/d 173° 5.3ms
crown up (3 up) +47 s/d 214° 4.5ms
crown left (6 up) +25 s/d 199° 4.1ms
crown down (9 up) -99 s/d 206° 3.9ms

Technical data

Manufacturer:DuRoWe
Caliber:410
Number of jewels:15
Escapement:Pallet lever
Balance types: Nickel screw balance
Shock protection(s): none
Balance bearing / direction hairspring:Clockwise
Moveable stud:no
Adjust mechanism:Long regulator arm
Construction:
  • lever
  • escape wheel
  • seconds wheel, third wheel, center minute wheel
  • mainspring barrel
Construction type:solid construction
Winding mechanism:yoke winding system
Setting lever spring:2 hole(s)
Functions:hour, minute, decentral second
A/h:18000
Size:10 1/2''' (measured: 23,3mm)
Literature: Flume: 1947 27
Inventory number:19012

Usage gallery

Wagner gents watch  (case missing)

Wagner gents watch (case missing)

This movement is a kind donation from Klaus Brunnemer. Thank you very much for supporting the movement archive.