Posts 6,317 Likes 9,909 Mark020 ·Sep 12, 2025·not the sharpest pencil in the ΩF drawer Opening up the caseback may give some clues….
Posts 2 Likes 0 Frixos ·Sep 12, 2025 Mark020 Opening up the caseback may give some clues…. that might require someone professional to attempt. watch has been in storage since 1980