Seiko
A Seiko (TMI) quartz caliber with a high-frequency stepping motor that drives a smooth four-beats-per-second sweeping seconds hand instead of a single tick. Battery-powered and accurate to about ±20 seconds per month, it gives quartz watches a mechanical-style sweep at low cost.
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Makoto Watches Senshi - 39MM - VH31 Seiko Meca Quartz owners widely praise the Seiko VH31 meca-quartz movement for its accuracy, reliability, and value, with some noting its sweeping second hand that mimics an automatic. Accuracy is frequently highlighted, with one owner reporting gaining only 10-15 seconds per month and another losing just 5 seconds per month. Some enthusiasts, however, express a preference for fully mechanical movements, viewing meca-quartz as a compromise. One owner notes the VH31 movement lacks a date wheel and mentions a workaround is needed for stem height differences compared to NH35 movements. Overall, owners rate the Makoto Senshi - 39MM - VH31 Seiko Meca Quartz highly for its exceptional accuracy and value provided by the Seiko VH31 meca-quartz movement.
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