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Otero 25 / Dugena 818

 
Otero 25 / Dugena 818 |

Otero 25 / Dugena 818

Description

The Otero 25 (Dugena also called it Dugena 818) is a common ladies’ watch form movement from germany. It is equipped with a screw balance, which runs in a Trishock-like protection system and contains a long regulator arm. On the dial side, there’s a rocking bar winding mechanism.

Otero 25 / Dugena 818: Otero 25 dial side

Otero 25 dial side

Technical data

Manufacturer:Otero
Caliber:25
Size:5 3/4 x 8 1/2'''
A/h:18000
Number of jewels:17
Escapement:Pallet lever
Balance types:Nickel screw balance
Shock protection(s):?
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
Winding mechanism:rocking bar winding system
Setting lever spring:2 holes
References:Flume: 1952 33
Mentioning in literature (years):1959 - 1960
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.

Usage gallery

Otero 25 / Dugena 818: Dugena ladies' watch

Dugena ladies' watch

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