Ricoh Riquartz RL – Ref. 571006B – frühes Inhouse-Quarz – Japan ca. 1974–1976 Taucheruhr Sehr seltene originale Ratschradschraube (ratchet

Sehr seltene originale Ratschradschraube (ratchet wheel screw / 雨受け車押さえネジ) für verschiedene hochwertige Seiko-Automatikwerke mit Handaufzug

Die frühen 1970er waren bei Seiko eine Phase intensiver Innovation: Grand Seiko konkurrierte erfolgreich mit Schweizer Chronometern

Model: DE91

Battery: SR920SW / 371

This custom

Ricoh Riquartz RL – Ref. 571006B – frühes Inhouse-Quarz – Japan ca. 1974–1976 Taucheruhr Sehr seltene originale Ratschradschraube (ratchetThis Ricoh Riquartz is a piece of true watchmaking history: one of the early Japanese quartz watches from the pioneering era of the 1970s combined with a distinctive design that is once again highly sought after today. The reference 571006B belongs to the first generation of Ricoh quartz watches with the in house Caliber 570. These movements were developed in the mid 1970s and represent the technological upheaval in which Japan redefined the global