Mainspring for Seiko 6138 and 6139 movements

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Description

Mainspring for Seiko 6138 and 6139 movementsThis 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

and 22mm lug width sizes

designed as a newly manufactured replacement for Seiko crystal part number 340W14GN00

Pebble-Textured Full-Grain Leather: Ages beautifully with use

while its compact roll shape packs easily in your carry-on or weekender

designed as a newly manufactured replacement for Seiko crystal part number 320W34GA00

The oval design rests flat on any surface

Length: 130mm

End Type: Medium Tip

International Shipping: Shipped in accordance with Category 1 of the shipping policy

it's also available in my store

Personalisation Available

Soft Microfibre Suede Interior: Cushions and prevents scratches