KS caseback plaque missing
Included in delivery: Original box
as they document the transition between the classic Seiko Five era and the modern automatic generation
The brand name refers to the combination of "Sea" and "Lane" – a symbol of the fusion of the sea and technology
an interplanetary defense force with a scientific and technological focus
Casio Quarz – Ref. 350B612 (Japan M), frühe 1980er-Jahre Taucheruhr KS caseback plaque missingThis Casio quartz watch dates from the early 1980s and exemplifies the simple, functional style of that era, during which Casio consistently refined its digital watches. The watch was completely disassembled in November 2025 , cleaned internally, and fitted with a new battery . It is in good condition , retains its original strap , and runs perfectly. Technical data Reference: 350 B612 Origin: Japan M Year: ca. 19811982 Functions: Hour, minute, second