This Avia Swissonic has a cool electronic movement, as well as a very nice brown dial with orange second hand.
HOW DO WE DATE THIS WATCH?
From the production dates of this movement, 1970 to 1975, we have picked a mid point. We can not be more accurate in this instance.
CONDITION
The ESA 9154 was an interesting movement. The thirteen jewel movement uses a transistorized switch balance, and was killed off by the cheaper quartz technology. So you have half the movement electronically controlled, and half mechanical. What this means is that you have a sweep second hand on the watch like a mechanical watch, but no need to wind it up. You will have to change the battery periodically, and they have thought about this by providing a battery hatch, stamped with numbers 1-12 which you align to show which month you changed the cell. The bracelet is not stamped with any makers marks, but suits the watch and could be swapped for a brown leather strap to match the dial. The stainless steel case does have a few marks, but nothing serious. The dial is the possible the part of this watch that will sell it even more than the interesting movement, in this fume / tobacco brown colour. The white writing for Avia Swissonic is crisp and the orange second hand finishes the period look perfectly.
This watch will be supplied with 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 41.2 mm
Width without crown 39.4 mm
Between lugs 18 mm
Lug to lug length 39.8 mm
Case Thickness 12.4 mm
Bracelet will fit a maximum wrist size of 194 mm. The bracelet can be sized for you if you give us your wrist size when placing the order.
All sizes are approximate.
Included with this watch is a 1 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.