A lot pf digital cameras a not full frame. If 35 mm full frame a 105 mm lens used to be considered ideal . I remember using my Nikor 105 with fine grain film. I could make 20x 24 prints that were sharp and showed no I’m dating myself.
Welcome to the family . Its truly a stunning time piece of superb craftsmanship. Knowing they only make about 20 of these a year, you can be sure you have something exclusive and special. Wear it in the best of health in 2020 and many years to come..