The microrotor was an interesting development of the automatic watch, allowing for a thinner movement, and this Intra-Matic has the Hamilton/Buren prized movement.


Buren registered the name Intra-Matic in 1964, and in 1966 Hamilton bought Buren.  For the next few years Hamilton and Buren shared technology, as in this case, and some watches were made in Switzerland at the Buren facility, and some watches were built in the USA.  From 1969 the US factory closed, and all production was switched to Switzerland.  Given all of this, the markings on this watch and the fact that the Intra-Matic model doesn’t feature in Hamilton’s pre 1969 catalogues leads us to believe this example was made circa 1969.


This watch is a sleeper on the wrist.  What we mean by this is that most people will dismiss the watch as ‘just another dress watch’, but those in the know will be impressed with the subtle choice of horological history.  The case is 20m gold plated, and judging by the rich colour that is 18k gold.  The dial is also gold coloured, and very clean.  The semi quickset date is working well, and the 30 jewel microrotor movement is running very well, if a little notchy when hand winding.  A new low dome acrylic crystal has been fitted.  The leather strap is new and could be swapped for a different colour if preferred, and it has a correct period Hamilton buckle fitted.

This watch will be supplied with a presentation box and our Certificate of Authenticity.

Please see the HD video for more detail.  All photos and videos are part of the description and are of the actual watch unless mentioned.  We do not photoshop any pictures, and the images are copyright of and should not be used without permission.


Width with crown  35.7 mm

Width without crown  34.5 mm

Between lugs  18 mm

Lug to lug length  38.8 mm

Case Thickness  7.7 mm

All sizes are approximate.

Included with this watch is a 3 month guarantee and free delivery to UK addresses.  If you live outside the UK we can still deliver to most countries.  Please see our Worldwide Shipping information, or Contact Us.   Payment can be made by most credit or debit cards, bank transfer or PayPal.