: Because it doesn't need a bulky rotor like an automatic, it allows for very slim case designs, often around 3.45mm thick.
Seiko Instruments (SII) VH31 / VH31A watch movement | Caliber Corner Watch vh211
Most watch enthusiasts searching for this code are likely looking for the Seiko Instruments (SII) VH31 : Because it doesn't need a bulky rotor
: It typically runs for about 2 years on a standard SR920SW battery. Specific Watch Models If you are referring to a specific watch model number: Unlike standard quartz watches that tick once per
, a member of the VH series known for its "sweep second" hand. Unlike standard quartz watches that tick once per second, these movements pulse , mimicking the smooth, fluid motion of a mechanical watch.
: You get the aesthetic "sweep" of an automatic with the accuracy of quartz—typically ±15 seconds per month .