Ronda Caliber 4120 B

Ronda Caliber 4120.B

Ronda Caliber 4120 B

BrandRonda
Caliber NumberRonda 4120.B
TypeQuartz
Size12 1/2”’ x 4.40mm thick
Diameter28.60mm
Jewels7 or 3
Battery Cell Number395
Claimed Battery Life50 months
Hands.20 x .90 x .150
StemS401-2025
HackingYes
FunctionsHours, minutes, small seconds, alarm, big date
Country
Swiss parts, assembled in unknown (comment below)
Known Models
Invicta Russian Diver III

According to the Ronda website, there are two versions of this caliber 4120.B quartz movement: a Swiss parts version with 3 jewels and nickel plated finish, and a Swiss Made 7 jewel version with gold plated finish (above). It also has a power saving mechanism with pulled out stem: Reduction of consumption approximately 70%.

Ronda states that this is a repairable metal watch movement, however, if you need to replace it the prices online range from $48.95 (Swiss parts) to $66.95 (Swiss made) at the time of this post.

 

 

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