Grand Seiko J14070 in Stainless Steel

I thought I’d feature this 1962 Grand Seiko that came in recently for a service because I’ve never seen another in stainless steel. As far as I’m aware these were never offered for sale to the public in stainless steel so it’s a bit of a mystery as to why they were manufactured, if you wanted one you had the choice of Gold or if you were lucky and had deep pockets Platinum. There are various theories about whether they were display pieces, working salesman samples or for purchase by Seiko employees. I guess we’ll never know for sure now but what a joy to actually work on one of these! It’s powered by the same calibre 3180, chronometer grade, low beat, 25 jewel movement as it’s precious metal cousins.

Grand Seiko J14070 in Stainless Steel

This has a stainless steel back with the lion rampant which signifies a chronometer grade movement. It still has it’s protective blue plastic covering intact so I don’t suppose this has seen much wrist time!

Grand Seiko J14070 in Stainless Steel

The caseback has the old Seiko stork symbol along with a production date of January 1962 and the case reference. The black ink signifies the watch has been cared for in the past as it was serviced on 10th December 2007, the H19 signifies the 19th year of the Heisei period.

Grand Seiko J14070 in Stainless Steel

As ever with chronometer grade Seikos the movement carries a serial number.

Grand Seiko J14070 in Stainless Steel

The movement is withdrawn through the front so the bezel and crystal have to come off.

Grand Seiko J14070 in Stainless Steel

Under the dial is the simple but sturdy motion and keyless work.

Grand Seiko J14070 in Stainless Steel

Grand Seiko J14070 in Stainless Steel

The movement needs turning over at this point and the stripdown continues.

Grand Seiko J14070 in Stainless Steel

Grand Seiko J14070 in Stainless Steel

Grand Seiko J14070 in Stainless Steel

Soon it was ready for the cleaner then inspection.

Grand Seiko J14070 in Stainless Steel

The rebuild started with the barrel and mainspring.

Grand Seiko J14070 in Stainless Steel

After I do the barrel I always lubricate and put the jewel caps in place, you’ll find if you don’t you’ll have a hell of a job getting the train bridge on as the wheels bottom pivots will drop down onto their shoulders and the top pivots won’t reach their holes 🙂

Grand Seiko J14070 in Stainless Steel

Grand Seiko J14070 in Stainless Steel

Grand Seiko J14070 in Stainless Steel

It’s ready for the dial in this shot.

Grand Seiko J14070 in Stainless Steel

And what a beautiful dial, almost porcelain like. Here’s a close up of the code.

Grand Seiko J14070 in Stainless Steel

The handset goes on next….

Grand Seiko J14070 in Stainless Steel

….the movement is replaced….

Grand Seiko J14070 in Stainless Steel

….and this very rare bird is finished, still keeping time to chronometer standards after all these years which for a low beat movement is remarkable. The chap who’s watch this is also has the Gold and Platinum versions, a collection that few in the world can claim to have.

Grand Seiko J14070 in Stainless Steel

Grand Seiko J14070 in Stainless Steel

Grand Seiko J14070 in Stainless Steel

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