We handle new, unused, and used items.
A complication/grand complication is a series of wristwatches with complications.
moon phase, split-seconds chronograph, minute repeater,
The perpetual calendar (perpetual calendar), ultra-slim, and tourbillon are called the six major complications.
The model equipped with a complicated mechanism is a complication,
If it has three or more complicated mechanisms, it will be the Grand Complication series.
Each of these series, which can be called the pinnacle of wristwatches, is extremely valuable and rarely seen.