What I did is get an old Seiko with a 7S26 movement from eBay and follow http://www.clockmaker.com.au/diy_seiko_7s26/
Great idea .... we all may have time to do this now
@pullingteth started
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What I did is get an old Seiko with a 7S26 movement from eBay and follow http://www.clockmaker.com.au/diy_seiko_7s26/