Named after its original quartz watch from 1969, Seiko’s modern Astron line still represents the pinnacle of the brand’s neverending quest for greater accuracy in watchmaking. Today’s Astron models ...

The watch is powered by Seiko’s 6R35 automatic movement, which uses 24 jewels and promises a lengthy 70 hours of power reserve. The stainless steel case has a diameter of 40.5 mm, putting it ...

The watches are both powered by Seiko’s own 4R35 automatic mechanical movement, which has up to 40 hours of power reserve. Two dis options are available, with case diameters of 30.3 mm and 40.5 mm.

In this monthly series with Hypetime, Chrono24 will be providing background on some of the most coveted luxury watches in the pre ... list of perks. Its 39mm size makes it super versatile ...