The Omega Constellation f300 is to many the perfect ‘hummer’ electronic watch. Model reference 198.0027.

HOW DO WE DATE THIS WATCH?

From the serial number on the case back, which matches the paperwork, we can accurately date this watch to being made in 1972.  The sales paperwork also shows it was sold in October 6th 1978.

CONDITION

While the f300 may be very desirable, it shares the movement with many other brands.  ESA licensed some of Bulova’s technology from their Accutron and many Swiss companies used the base ESA 9162 movement, including Longines, Tissot, Baume & Mercier and even IWC.  They all run at the 300hZ frequncy that gives the f300 its name, and explains the smooth second hand (most modern mechanical watches would run at 4hZ).  The Omega movements are unique in being copper finished, and under the Omega calibre 1250 name.  Everything is working correctly with this watch and we will install a brand new battery before sending the watch out to the new owner.  The case is gold capped, which is much thicker than gold plating.  That explains why the case shows barely any wear but the gold plated crown has lost the plating.  The gold observatory medallion is still on the caseback and quite crisp.  The mineral glass does have light scratches but not bad enough to warrant changing yet.  The dial is good but the inner bezel does have some lifting of lacquer on the lower half.  The red leather strap is new, and could be swapped for a different colour if preferred we chose the red as it matched the glass gasket and red Ω symbol on the dial.

This watch will be supplied with the original papers, our branded 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 birthyearwatches.com and should not be used without permission.

​SIZE

Width with crown  38.4 mm

Width without crown  36.4 mm

Between lugs  20 mm

Lug to lug length  43.5 mm

Case Thickness  10.7 mm

All sizes are approximate.  The watch is photographed on a wrist of 190mm/7.5 inches.

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.

From 1st September 2021 we will be planting a tree for every watch we sell, working with the International Tree Foundation (Est 1922) to make this business positive on carbon.  By buying anything pre owned you are effectively reusing what already exists, but this takes it further and makes us feel good.

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