Published by on August 16, 2026 It's a SEIKO Automatic Watch,LORD MATIC WEEKDATER 5606-5040 23Jewels. It is decorated with hand-applied, thick multifaceted block indices positioned at unique angles to fit the square canvas. Highly regarded for its advanced, low-profile mainplate architecture, this 56-series engine allowed Seiko to build complex, non-circular designer cases without making the watch bulky.