Shinola Caliber Argonite 515.24H
|Caliber Number||Argonite 515.24H|
|Base Caliber||Ronda 515.24H|
|Size||11 1/2”’ x 3mm thick|
|Battery Cell Number||371|
|Claimed Battery Life||45 months|
|Functions||Hours, minutes, central seconds, date, GMT hand (second time zone)|
||USA Assembled from Swiss/other parts|
||Shinola Rambler GMT|
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
Ronda documentation claims an accuracy of -10/+20 seconds per month.
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