TheSTAC's first model "Authentic Round" has an exquisite case size of 36mm and can be used by unisex people. The plain, high-quality leather belt has a classic and elegant design like an antique watch, and it has an indescribable loveliness that can be used for a long time without being influenced by trends.

A domestic diver's watch inspired by 1960's antique watches. It uses a relatively small case size of 38mm, which is rare for recent diver's watches. The classic and elegant design has an indescribable loveliness and can be used for a long time without being influenced by trends.

The moon phase, invented by the genius watchmaker Breguet, is now a classic watch. "Moon phase" is a mechanism that literally expresses the waxing and waning of the moon on the dial. The functionality that packs the romance of space into the small world of a watch dial has long fascinated many people as a symbol of luxury watches. STAC has created such a romantic function into a simple classic design.