Seiko Sliderule 6138-7000 for Repair

This Seiko Calculator has a fake case with original movement.

Seiko 6139 Chrono To Replace Gaskets

Water resistance tester

This Seiko 6139 Chronograph watch was sent in to replace the rubber o-rings/gaskets for better water resistance. The old gaskets have harden and not longer sealed properly. After replacement, it was water resistant tested.

Seiko Chronograph 6139-6005 For Repair

This Seiko Chronograph 6139-6005, circa 1972, is the same model which was worn by William Pogue during his 84 days in space. Read here. It was sent for repair as it's not working. After service, it gives a perfect reading on the timegrapher.