Shinola Caliber Argonite 515.24H

The Shinola Argonite 515.24H is a USA assembled Ronda quartz movement built from Swiss and other parts.

Ronda 515.24H

The base Ronda caliber 515.24H is typically available in Swiss Made and Swiss Parts variations. Both are nickel plated metal, both have 1 jewel. The 515.24H is basically a caliber 515 with an added GMT complication.

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

Accuracy

Ronda documentation claims an accuracy of -10/+20 seconds per month.

More Information:

• User manual from Ronda

Please lets us know your thoughts and experience with the Argonite caliber 515.24H in the comments below…