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甚麼是天文台腕表？
天文台腕表是獲得認證的高精密時計，滿足C.O.S.C（瑞士官方天文台/Swiss Office for Chronometric Controls）最嚴格的標準。每個機芯都在5個位置、3個溫度，並在極端苛刻的運轉條件下經過15天的測試。為獲得天文台腕表認證，機械機芯（不管是自動還是手動）都必須滿足ISO 3159規定及C.O.S.C要求的7大標準。不管外部條件如何，它都必須保證每天-4/+6秒的精准度。