This Omega Speedsonic, is a chronometer rated chronograph, model number 188.002. It has the smooth hummer tuning fork movement.
HOW DO WE DATE THIS WATCH?
From the serial number on the Cal. 1255 electronic tuning fork movement we can accurately date this watch to being made in 1974.
Only 21,000 ESA 9210 movements were ever made, and these were spread across different manufacturers (Omega rebadged theirs the Omega 1255, but all parts are interchangeable with the ESA 9210 found in watches from Longines, Certina, Derby, Baume & Mercier and a few others and the Speedsonic was in the Omega range from 1973 to 1980.
This particular example has been well looked after, and to prove this the watch comes complete with strong recent service history from one of the best companies that look after vintage Omegas. The service cost a whopping £547! The case has some wear to the gold plate, but that is to be expected. The original box is not cracked and the spring is still functioning – a rare item on its own. The movement is working perfectly. We have taken some photos on a 22mm leather strap just to show you can ‘dress down’ the watch if required. As you can see the watch has the correct Omega copper movement plate. The clasp was replaced at the last service. The bracelet is the full length, the crystal has the Omega symbol etched in the centre and the crown is also correct.
Our Friends at Electric Watches have done a nice history of the movement here.
There is an interesting and very informative article on these watches here.
Please see the HD video below for more detail.
Width with crown 44.5 mm
Width without crown 43.1 mm
Between lugs 22 mm
Lug to lug length 44.7 mm
Bracelet maximum length 210 mm
Thickness 15.7 mm
All sizes are approximate
£1,499 including 3 months guarantee and free delivery to UK addresses.
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