“Hige” refers to the raised part added to the outside of the corners of numbers and time markers when making a printing plate.
“Nusumi” refers to the cuts added to the inside of the corners of numbers and time markers when making a printing plate.
The presence of these two ensures that any breaks in printing are prevented, and it is possible to showcase the small corners of letters sharply and beautifully.

A jet-black dial in a mass of black metal. The face, with its many Arabic numerals exquisitely arranged, maintains a sense of orderliness amongst complexity.