IWC Portuguese 3770

The reference 3770 represents IWC's Portuguese Automatic 7 Day within the Portuguese collection, distinguished by its blue dial configuration. This automatic series offering positions itself as part of the brand's dress watch lineup with extended power reserve functionality indicated in its model designation. The 42.3mm stainless steel case houses an automatic movement and features a sapphire crystal. The blue dial provides color contrast within the Portuguese range, while the fixed bezel maintains clean proportions typical of dress-oriented timepieces. Water resistance reaches 30 meters, suitable for everyday wear scenarios. This reference appeals to collectors seeking a contemporary Portuguese with distinctive dial coloring and week-long power reserve capability. The 42.3mm case size accommodates modern wrist preferences while the stainless steel construction offers accessibility within the Portuguese lineup. The blue dial variant provides an alternative to more common dial colors in this series.