JIOS "SEIRAN" Biwa-Salmon x silberne Zeiger x Stahlarmband Taucheruhr The Ultradive The "Satin" model

The Ultradive The "Satin" model shares the same elegant qualities as its sister reference

Case: gold-plated (brass base)

Version: original Seiko replacement strap

no box or paper set

tested in Singapore – and some are even manufactured in Japan – to guarantee the highest standards of craftsmanship

JIOS "SEIRAN" Biwa-Salmon x silberne Zeiger x Stahlarmband Taucheruhr The Ultradive The "Satin" modelJIOS Japanese Identity of Style JIOS is an independent Japanese watch brand that combines classic watch design with regional identity. All watches are manufactured in Japan, with a focus on clean lines, balanced proportions, and reliable technology. Each color variant carries a deliberate reference to the region around Lake Biwa, underscoring the brand's commitment to uniting design with heritage. JIOS SEIRAN Biwa Salmon Automatic Cal. Miyota 8215