The Ronda caliber 515 is a common 3 hand Swiss quartz movement. This caliber is part of Ronda’s powertech line of movements.
Swiss Parts Vs Swiss Made:
According to the Ronda website, there are two versions of this movement: Swiss made and Swiss parts. Both are nickel plated with 1 jewel. You may see Swiss parts variations listed as being made by Harley Ronda.
Ronda 515 VS 515S:
There is also a Ronda caliber 515S. The 515S is a newer version of the 515 that fixes a motor pulse. Despite the 515S being a newer version, an interesting note is that the 515S is claimed to only have 24 months of battery life, but the 515 is claimed by Ronda to have a 45 month standard battery life.
According to the Ronda website, this caliber features:
Repairable metal watch movement
Power saving mechanism with pulled out stem: Reduction of consumption approximately 70%
Interchangeability: All versions 11½”’ with same movement height 3.00 mm and stem height 1.50 mm
Very powerful stepping motor
There are several caliber 515 based quartz movements by Ronda, for example the caliber 515.24H. There are Swiss Made and Swiss Parts versions available. Both are nickel plated metal, both have 1 jewel. Ronda documentation claims an accuracy of -10/+20 seconds per month.
At the time of this post, replacement prices for the caliber 515 were found online in the range of $7.95. Note that many of the movement resellers will be offering Swiss parts versions, but don’t necessarily mention if the movement is Swiss made or Swiss parts in the description.
Ultra affordable Swiss movement
Replacements are easy to find
The coil is next to the battery clamp, making it easy to slip your tool during a battery change and damage the movement.
Looking to buy a replacement Ronda 515 movement for your watch?