Filippo Loreti : Once you have decided on the design and style, next thing you should consider is its complications. No worries! Every timepiece comes with some complicated features. Calendars, differing time zones, and moonphases are few of them. In contrast, some never stop working while diving depth in the ocean. If you want to gift something more sentimental, it is advisable to choose timepiece with a solid case-back that would allow for engraving.