Origins of the Seikomatic: A 30 jewel Seikomatic 15031D from January 1963

Apr 10, 2022

Seiko’s first wholly in-house automatic movement was the Gyro Marvel, developed in 1959 as an evolution of the Marvel/Laurel hand-wind …

Seiko divers watches from 1959 to 1979: Cronos Seahorse to 6306-7001

Jul 4, 2019

In completing the most recent project described in the previous entry, it occurred to me that it might be interesting …

Jul 1, 2019

Paradoxically, the year 1963 can simultaneously provide a historical reference point to the development of the quartz watch movement and …

Jul 13, 2016

The first fully fledged waterproof Seiko watch appeared in 1959 in the form of the Seiko Cronos Sea horse fitted …

Jul 5, 2014

This year is a significant year for me age-wise and I’ve been on the lookout for something suitable to mark …