Seiko

SpeedTimer

Name: Seiko SpeedTimer
Brand: Seiko
Availability: InStock

39mm Popular Model

Low $642

Median $750

High $800

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Seiko’s SpeedTimer name links the automatic chronographs of 1969 with today’s solar and mechanical timing watches, but it doesn’t promise one movement, size, or dial layout. The useful starting point is the generation: a vintage 6139, a compact SpeedTimer Solar, and a modern SpeedTimer Mechanical offer quite different experiences on the wrist.

The original 6139 belongs to the first wave of automatic chronographs, with a column wheel and vertical clutch beneath its dial. Its single elapsed-minutes register and day-date display give it a recognizable face. The later 6138 adds a second register for elapsed hours and allows hand-winding—a meaningful distinction beyond the changing case and dial designs.

Among modern chronographs, the solar-powered V192 combines three registers with a power-reserve indication, while the SpeedTimer 8A50 takes a different route with measurement down to one hundredth of a second. Mechanical chronographs powered by the 8R46 and 8R48 return to column-wheel, vertical-clutch construction; their two- and three-register layouts, respectively, help separate them at a glance.

Case Size39mm

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