Rarität: Seiko Ring Watch Ref. 11-0290 – Handaufzug, (März 1971) GMT The "MX" designation on the

The "MX" designation on the base stands for the production line ("Manufacturing Export") and indicates an export model

The strap features an integrated quick-change system for the spring bars

Limited production – no longer available in stores

This makes this watch not a general railway model

Manufacturer: Tenyo Co

Rarität: Seiko Ring Watch Ref. 11-0290 – Handaufzug, (März 1971) GMT The "MX" designation on theAn exceptionally rare Seiko Ring Watch from the early 1970s with a hand wound movement, 17 jewels, and a strikingly faceted crystal. These models exemplify the experimental design phase of Japanese watchmaking, combining watch technology with jewelry design at the highest level. Dating and Reference Reference: 11 0290 Serial number: 131825 The serial number follows the classic Seiko scheme: 1 = Year within the decade 3 = Month (March) In conjunction