Ball Watch caliber RR1103SCL
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Chronometer-rated version of the 1103 (2824) with 'Springlock' function.
Exclusively developed by BALL Watch, the SpringLOCK® protects the balance-spring of the movement with a «cage» that limits the unfurling of the coils in case of any external impacts to which the watch can be subjected. It considerably diminishes the risk of a breakage of the balance-spring’s link to the balance or of unexpected movements that could deform the shape of the balance-spring itself.