The last time I changed the battery in this watch was in 2014. Here is the link...
It now 2019, meaning the battery lasted about 5 years. Looking at the specification on the movement, the Ronda Powertech Caliber 515.24H, the battery is rated at 45 months. Cool.
This is the movement used by Trintec inside the Zulu-05.
The last time I changed the battery, I used the Sony battery as I could not find the Renata battery. This time I did. :)
The case back removed.
Closer view of the movement with the spacer and battery holder. You need to remove the spacer to get access to the battery.
The new Renata battery installed. :)
Check the watch is working before you close up the case back. Additionally, don't forget to lubricate the gasket/ o-ring before you close up the watch and we are all done.
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