Ronda Caliber 519

Brand	Ronda
Caliber Number	519
Line	Powertech 500
Type	Quartz
Size	11 1/2”’ x 3mm thick
Diameter	26.20mm
Battery Cell Number	371 (1.5 V)
Claimed Battery Life	45 months
Stem	401-1483, tap 10
Hands	120, 70, 20
Jewels	1
Hacking	Yes
Functions	Hours, minutes, central seconds, big date
Country	Swiss parts, assembled in unknown (comment below)
Known Models	ESQ

According to the Ronda website, this caliber 519 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

An interesting thing about the Big Date complication in this Ronda caliber 519 is that the date does not flip to 01 after day 31. It keeps going to 39, then flips to 00, then to 01. This will require you to set the date every month, and not just on 31 day months.

Replacement prices were found online from $11.95 to $16.95 USD.

• User manual from Ronda

Please lets us know your thoughts and experience below. And please send high quality pics if you have any.

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