Otero 25 / Dugena 818

Otero 25 / Dugena 818 | 17jewels.info - The Movement Archive

Otero 25 / Dugena 818


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

Size:5 3/4 x 8 1/2'''
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
  • lever
  • escape wheel, seconds wheel, third wheel, center minute wheel, mainspring barrel
Winding mechanism:rocking bar winding system
Setting lever spring:2 hole(s)
References: Flume: 1952 33
Mentioning in literature (years): 1959 - 1960

Usage gallery

Otero 25 / Dugena 818: Dugena ladies' watch

Dugena ladies' watch