Seiko Ersatzteil 4002010 – Spule für Kaliber 7123A – NOS Quarz and develops a unique patina

and develops a unique patina over time

Care: Clean the Nappa leather with a soft

It was produced in July 1967 (serial number 7Nxxxx) and was Seiko's first production watch with a high-frequency (Hi-Beat) caliber

with a deliberately aged finish for an elegant patina

– Hangzhou H7M01 automatic movement (7th Series)

Seiko Ersatzteil 4002010 – Spule für Kaliber 7123A – NOS Quarz and develops a unique patinaOriginal Seiko coil with reference 4002010 from unused old stock (NOS). This electronic coil is compatible with the Seiko quartz caliber 7123A , a classic SQ model from the late 1970s and early 1980s. The coil is a key component of the electronic control system; defects in this area are among the most common causes of failure in vintage quartz movements. The coil is unused, comes from long storage and is in excellent original condition ideal for