Battery life: Approximately 2 years, Accuracy: Average monthly difference/within ±20 seconds Minute repeater function that lets you know the current time with a sound Uncensored calendar function with years, months, days, and days of the week up to 100 years Moon phase that displays the age of the moon Chronograph capable of measuring up to 12 hours in 1/4 second increments Comparez les prix de: Nippon-mart in Montres