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.
Example from an Invicta Jason Taylor Chronograph:
Other examples of watches with this movement:
Please lets us know your thoughts and experience below. And please send high quality pics if you have any.