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How to tell the difference between an Omega Speedmaster Reduced and an Omega Moonwatch

Omega Speedmaster Reduced vs. Omega Speedmaster Professional "Moonwatch"

Today we would like from Fratellowatches.com show you the difference between a Omega Speedmaster Reduced and one Omega Speedmaster Professional "Moonwatch" can recognize. The Speedmaster Reduced, which is no longer in production, is becoming more and more popular among Omega fans. So it happens more and more often that the Speedmaster Reduced is mistaken for the popular Speedmaster Professional "Moonwatch" is held.

If you are not very familiar with the Omega Speedmaster and only have the design of the dial with the three totalizations at three, six and nine o'clock and the missing date display in mind, you could easily turn to one of the many sellers (for example on Ebay) fall for who try to advertise the Speedmaster Reduced as an Omega Moonwatch. Even if the Omega Speedmaster Reduced is undoubtedly a very beautiful watch, it is not an Omega Moonwatch. The Omega Speedmaster “The Dark Side of the Moon” is not a moon watch either, although Omega markets it as such. But the Speedmaster Reduced is even more likely to be confused with the Speedmaster Professional than with the Dark Side of the Moon.

Content:

Omega Speedmaster Professional "Moonwatch" versus Omega Speedmaster Reduced Reference 3510.50

The appearance may be deceptive, but if you look at them side by side (as shown here) you can easily see the differences.

Difference # 1: the diameter of the two Speedmaster watches

First of all, the two watches differ in their size. While the Speedmaster Professional "Moonwatch" has a diameter of 42 millimeters, the Speedmaster Reduced is a bit smaller at 38 millimeters. From my point of view, the size of the Speedmaster Reduced is easily manageable for many men. Today Omega uses the size of the Speedmaster Reduced for the Speedmaster Lady watches. Times change.

Difference # 2: Omega movements - automatic versus manual

The movements used in the two Omega watches also differ. This also explains the different dial designs. As you can see in the pictures, the sub-dials on the Omega Speedmaster Reduced are quite far from the center; instead, those of the Omega ‘Moonwatch’ are positioned closer to the center of the dial. The Speedy Reduced also bears the word "Automatic" and marks the minutes with Arabic numerals on the hour indexes. Below is a picture of the Hand-wound movement of the Speedmaster Professional ‘Moonwatch’.

The movement of the Speedmaster Professional ‘Moonwatch’ is based on the Lemania chronograph caliber with manual winding. At Omega, the calibers are 321, 861, 863, 1861 or 1863, depending on the date the watch was released. The Omega Speedmaster Reduced is ticking away Automatic movement based on the Eta 2890-A2 (undated), also known as the Omega caliber 3220. That sits on the base work of Eta Chronograph module 2020 from Dubois-Dépraz.

Difference # 3: Many jewels on the Omega Speedmaster Reduced - a so-called "piggyback work"

The modular structure of the movement that sits in the Omega Speedmaster Reduced explains the number of stones (46) in the movement. The fact that a so-called “piggyback” movement was used here can easily be seen if you look at the case flank of the watch. The winding crown and the chronograph pushers are not in line. The crown is positioned a little below the pushers, as you can see in the following picture.

Don't fall for the wrong omega "Moonwatches" in

There is nothing wrong with a Speedmaster Reduced. So if you have a weakness for automatic movements, a slim wrist or a tight budget, the Speedmaster Reduced 3510.50 can be the watch of your choice. However, if you are looking for an Omega ‘Moonwatch’, please do not be fooled by classifieds or advertisements on websites that use the term ‘Moonwatch’ in connection with the Speedmaster Reduced 3510.50. Sometimes the prices of these used Speedy Reduced models are very tempting, but if you haven't done your homework the seller could easily mislead you.

Omega Speedmaster Reduced prices

Unfortunately, the prices of the Speedmaster Reduced are no longer as low as they were a few years ago. Today they are around 1,600 euros. With official sales papers and the watch box, it will be a little more. There are also some interesting variants of the Omega Speedmaster Reduced that are worth a look. A used Omega ‘Moonwatch’ (311.30.42.30.01.005, 3570.50, 3590.50 or 145.0022, etc.) still costs over 1,200 euros more (starting price) than a Speedmaster Reduced.

If you want an Omega Speedmaster Professional ‘Moonwatch’

Note that the modern Speedmaster Professional ‘Moonwatch’ (here an article on how it became the Moonwatch) has references 311.30.42.30.01.005, earlier references are 3570.50, 3590.50, 145.022, 145.012, 105.012, 105.003, 105.002, CK2998 and CK2915, except for some limited or special editions that have a slight have a different reference number. In this article here you will find an overview of all Omega Moonwatch reference numbers.

Robert-Jan Broer, born in 1977, lives in the Netherlands. Watches are his passion. He is the author of various watch magazines and has been running the Fratellowatches blog since 2004. On Watchtime.net we make his articles available to you in German: www.fratellowatches.com

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Keywords: automatic watches, chronographs, stainless steel watches, Omega Moonwatch, Omega Speedmaster, Omega watches, Swiss watches, sports watches, tachymeters, hand-wound watches, watches up to 2,000 euros, watches up to 3,000 euros, vintage watches
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