This timepiece is a magnificent artifact from January 1981, as confirmed by the serial number 112104 . The Silver wave collection represents a vital chapter in Seiko's tool watch legacy, acting as the bridge toward their professional dive watches by integrating heavy-duty water-resistance technology into an everyday sports profile. It houses the robust Caliber 8229 quartz movement, a technical soul highly revered for its reliable, fully metal gear construction.
The architecture is exceptionally solid, featuring an ergonomic stainless steel case with a signature off-center screw-down crown at 3 o'clock designed to maximize wrist comfort. The deep dark blue sunburst dial provides incredible visual depth, adorned with polished stick indices, a bilingual English/Kanji day-date window, and the cursive Silver wave script alongside the applied single-quartz crest. Flipping the timepiece over reveals the iconic engraved tsunami wave case back emblem, identifying it as a sea-ready instrument made strictly for the Japanese Domestic Market (JDM).
