The Ronda caliber 8040.N is a multi-function quartz movement with 13 jewels. It is part of Ronda’s Mastertech line.
According to the Ronda website, the caliber 8040.N features:
Repairable metal watch movement
Very long battery life
Power saving mechanism with pullled out stem: Reduction of consumption approximately 70%
Very easy handling by two pushers
Big date with quick change
This caliber was submitted by Bill. He found it in an Invicta Reserve model number 13686:
One of Ronda’s more elaborate and expensive Swiss Made Quartz movements. RONDA Mastertech Caliber 8040.N Size 15”’ Found in several Invicta models, and probably other brands also. -Bill B.
The photo at the top of this post is of an 8040.N found in an Invicta Jason Taylor Chronograph watch.
Please lets us know your thoughts and experience with the Ronda caliber 8040.N below…