With a slim case of only 7mm, fits beautifully under men’s long-sleeve dress shirts 40mm diameter is the perfect size Color: Black and Blue REFINED AND LONG-LASTING MATERIALS - built to last with its alloy frame, quartz movement, stainless steel mesh band, and glass bezel With its classic style and refined finishes, the Geneva Calendar Watch is unequaled in its precision, bringing together beautiful form and excellent function. This is an elegant watch designed for sophisticated Gentlemen