This timepiece is a magnificent artifact from May 1973, as confirmed by the serial number 352066. The LM Special is defined by its ultra-high-grade Caliber 5206, a 25-jewel mechanical masterpiece that beats at a high-frequency 28,800 BPH. This ensures a sweep second hand that glides with breathtaking smoothness, reflecting the superior engineering of the Daini Seikosha division during the golden era of Japanese watchmaking.

The architecture is quintessentially sharp, utilizing a polished stainless steel case with the iconic multi-faceted lugs that catch the light with every movement of the wrist. The dial is a work of high-end JDM art, featuring a unique patterned linen or "snowflake" texture, hand-applied faceted indices, and a dual Kanji/English day-date wheel at 3 o'clock. Flipping the watch over reveals the crisp caseback engravings and the "Daini" lightning bolt logo, definitively confirming its authentic Japanese Domestic Market (JDM) heritage. This is an essential acquisition for an elite collector who appreciates high-beat precision, the mechanical soul of a 25-jewel heart, and the bold, shimmering presence of the Lord Matic Special.