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.
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: | 
 | 
| Winding mechanism: | rocking bar winding system | 
| Setting lever spring: | 2 hole(s) | 
| References: | Flume: 1952 33 | 
| Mentioning in literature (years): | 1959 - 1960 | 
 
     
    