Launched on the occasion of the International Year of Astronomy (2009), this new model in Daniel Roth‘s Athys line features an extremely accurate large moon-phase display requiring manual correction only once very 125 years – hence its name evoking the next scheduled adjustment: Athys Moon 2134.  The white-lacquered dial carries hour and minute hands, the brand’s characteristic three-arm seconds hand, a date display and a raised large moon display appearing through a window.

Representing a first for Daniel Roth, the Athys Moon 2134 houses an extremely beautiful mechanical hand-wound calibre (DR2300) developed on a Frédéric Piguet 151 base  movement.  The movement powers the brand’s iconic three-arm seconds hand, aligned with the crown and constituting an integral part of the main gear train.   The Daniel Roth master-watchmakers wished to improve the often inaccurate existing moon-phase displays, which typically accumulate a discrepancy of +8.81 hours per year due to the mechanics of the display.  The far more complex and accurate astronomical moon-phase mechanism of the Athys Moon 2134 comprises three wheel-and-pinion sets which delivers a far more accurate moon-phase whose relative error amounts to just 12 minutes per year and thus means adjustment is required just once every 125 years (as long as you keep it on a watch winder, that is!).

Available in red gold and platinum.