
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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The CONCENTRIC-WATCH Quarz Q-072 is a quartz watch, with a 36mm stainless steel case, 6mm thick, powered by the Seiko VH31 movement. Water resistance is rated to 30m, under a sapphire crystal. Manufacturer MSRP is $454.
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