Helgray - Powered by the Time Module (Seiko) VK64 meca-quartz chronograph movement, the Silverstone Green is a timeless piece. https://www.helgray.com/collections/silverstone/products/silverstone-green #Silverstone #Green #Helgray | Facebook
Meca-Quartz: What It Is and Its Advantages – Crafter Blue
Chronography 8: Meca-Quartz—Is It Really the Poor Relation? - Worn & Wound
Zeiger Watches on X: "Meca-quartz Clack like a mechanical, sweep like a mechanical Yet accurate like a quartz #seiko #mecaquartz #chrono #movement https://t.co/yJiZAO0qkc" / X