Minase timepieces bear the label HiZ, an abreviation inspired by the Japanese words « Hizu » (exceptional) and « Hi Izuru Kuni » (Land of the rising sun). The products are innovative with their unique "case in case" structure, the rare "Sallaz" polishing technique and the MORE concept (Minase Original Rebuild Equation).
"Minase Original Rebuilding Equation" patented structure was developed in
order to be able to make watches that can be treasured for more than 100 years.
Inspired by Japanese wooden puzzles, this design allows Minase watchmakers to assemble and disassemble exterior parts of the watch, such as the case and bracelet,
as many times as they need to refit or repair the watch.
Minase belongs to the handful of Japanese watch brands employing this polishing technique, also known as Zaratsu (“Sallaz” in Japanese). Sallaz was a Swiss-German polishing machine maker that supplied equipment to Japanese case maker Hayashi Seiki Seizo, which pioneered the technique in Japan and still makes top quality cases for the likes of Grand Seiko and Casio. This technique can require up to 50 operations and more than 15 hours work on each watch.
CASE IN CASE
There is no dial built in the traditional sense for Minase watches. The movement is covered by a container on top of which the index ring is fitted. This creates a "floating" structure built inside each case.