Shinola Caliber Argonite 515.24H

Brand	Shinola
Caliber Number	Argonite 515.24H
Base Caliber	Ronda 515.24H
Line	Powertech 500
Type	Quartz
Size	11 1/2”’ x 3mm thick
Diameter	26.20mm
Battery Cell Number	371
Hands	120/70/20/160
Claimed Battery Life	45 months
Jewels	1
Hacking?	Yes
Functions	Hours, minutes, central seconds, date, GMT hand (second time zone)
Country	USA Assembled from Swiss/other parts
Known Models	Shinola Rambler GMT

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…