Date display module for wristwatch, has inner ring that is coplanar and eccentric relative to outer ring, where rings display, in collaboration, date of month, and inner diameter of inner ring is greater than half of diameter of outer ring

摘要

The module (1) has an inner ring (3) that is coplanar and eccentric with respect to an outer ring (2). The rings display, in collaboration, date of a month. Inner diameter of the inner ring is greater than half of inner diameter of the outer ring. Outer circumference (30) of the inner ring is tangent to inner circumference (21) of the outer ring. The outer ring carries a series of numbers from 0 to 9 for displaying units of the date, and the inner ring carries a series of numbers from 0 to 3 or 1 to 3 for displaying tens of the date.