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Ronda 5131


Ronda 5131Ronda 5131


When Ronda movements with pallet lever movements were still marked with "RL" instead of "RAX", this movement was made. Despite the "Antichoc" marking on the dial, it does not use a balance shock protection, but the balance uses plastic bearings! For reaching the magic number of seventeen jewels, it uses lots of deck jewels, at least one of them sealed in a kind of chaton.

For quick releasing of the mainspring, it uses a seperate bearing, which can be released easily.



 Technical data

Number of jewels17
EscapementAnchor with pallets
Shock protection(s)none
Balance cock directioncounterclockwise
Hairspring studmoveable
Regulator typeHairspring key
Movement constructionFork
Escapement wheel, Fourth wheel, Third wheel, Center wheel, Mainspring barrel
FunctionsHour, minute
Beats per hour21600
Size63/4 x 8'''
Ronda 5131RondaRonda51316 3/4 ''' 8''''''Ronda 513117 Jewels, 6 3/4 x 8'''''', 21600 A/h



Usage gallery

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