The fitted strap changes both the outline and the wearing context. It separates the warm case from the rest of the wrist and feels less formal than a bracelet or leather attachment. That distinction matters here because several B733 pages share the reference while offering different supplied configurations.
Rubber is the practical counterweight to a warm, visually busy case. It keeps the six-o'clock display and blue dial at the center of attention, then makes the rest of the watch feel less ceremonial on the wrist. This is the B733 for a buyer who values the complication but wears casual clothes most days.
Before dispatch, our QC team reviews the blue dial and six-o'clock display, rubber attachment, bezel finish, and clasp fit.