As Teo says the watch is on its way to a new home in Singapore.
Thanks to all the unselfish sharing of knowledge and advice that I received from the forum, isn't the internet a wonderful thing.
Just a quick note on the owner, my dad. He was a WW2 veteran who served in the pacific on the then highly secret US RADAR technology. He was always a tech guy, and a scientist, so it was natural when the space program came along that he would be inspired to buy a moonwatch. he would have seen the Gemini flights reported and that probably inspired him to buy the Speedmaster. He probably purchased it on an overseas trip when you could buy "Duty free", and bring back to NZ as personal effects.
He was the envy of his young son, me, with this cool watch.
He passed away one year ago at 95 years old, and I was keen for someone to have the watch who would appreciate it not just for its monetary value, but for the inspiration that the Moon program had on a then young tech guy.
Watch out for the Mars watch.