Mainspring for Seiko 6138 and 6139 movements personalised gift please send a message before

please send a message before placing your order

Compatible Seiko Movement Numbers:

It comes with a storage stand capable of holding up to six tweezers

Length: 135mm

Strap Material: Canvas

Mainspring for Seiko 6138 and 6139 movements personalised gift please send a message beforeThis is a new Swiss made replacement mainspring compatible with the vintage Seiko movements listed below. Please note, the mainspring barrel and arbor shown in the listing images are for reference only and are not included. They are simply there to demonstrate how the replacement mainspring fits within the original Seiko mainspring barrel. While the tail of the new generic replacement mainspring doesn't fit as tightly on the arbor as the original