The Sentry has been upgraded to solar status, gathering and storing power from both interior lighting and direct sunlight to keep you ever stylishly on time. Luminous hands and markers allow for easy reading in low-light conditions. 40mm case; 18mm band width Three-hand quartz movement Day and date function Water-resistant to 10 ATM (100 meters) Mineral crystal face Stainless steel with silver, gunmetal or gold ionic plating Imported