Seiko 6105-8110

Another one of these iconic divers has been across the bench, this example is in fantastic original condition and just needed a service and a couple of small jobs doing.

Seiko 6105-8110

The caseback shows a production date of August 1974.

Seiko 6105-8110

Inside it all looks in good order.

Seiko 6105-8110

The dial and handset are just starting to go a lovely creamy colour.

Seiko 6105-8110

Seiko 6105-8110

No surprises were found during the stripdown.

Seiko 6105-8110

Seiko 6105-8110

Seiko 6105-8110

A bit of a grubby mainspring!

Seiko 6105-8110

It was soon stripped ready for cleaning.

Seiko 6105-8110

Seiko 6105-8110

After cleaning and inspection the rebuild began.

Seiko 6105-8110

Seiko 6105-8110

Seiko 6105-8110

Seiko 6105-8110

Seiko 6105-8110

The owner supplied a new crown and stem as he wanted the watch as water resistant as possible.

Seiko 6105-8110

A new crystal was also fitted as the old one had a graze.

Seiko 6105-8110

Once these were fitted the case had a quick outing in the pressure tester.

Seiko 6105-8110

After 15 minutes (the watch I was using to time it with is my calibre 6M25 Seiko which features a countdown timer amongst other things!) the watch is submerged….

Seiko 6105-8110

….then the pressure is released. As there’s no movement to keep the crown held in place the slightest leak would pressurise the case and blow the crown straight off when it’s released. As can be seen all’s good with this one.

Seiko 6105-8110

With the bezel removed it was noted the o-ring was a little short!

Seiko 6105-8110

Also the lume was a bit crumbly behind the inserts lens. As half of it fell out on removal the rest was removed and the pip redone.

Seiko 6105-8110

The movement was recased….

Seiko 6105-8110

….and that’s another one good for many years to come!

Seiko 6105-8110

Seiko 6105-8110

Seiko 6105-8110

 

 

 

 

 

 

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