Now available at auction from Second Vintage
This is a remarkable example of Seiko's 1970s design audacity, blending the mechanical reliability of the Lord Matic line with the distinct "Glamour" aesthetic of the era. Defined by its mesmerizing emerald green dial and intricate faceted crystal, this timepiece captures light from every angle, creating a dynamic visual experience on the wrist. The Lord Matic series was positioned as a high-grade offering, sitting just below King Seiko in the hierarchy, and this specific reference 5606-7360 showcases the superior finishing and daring geometry that made the line a favorite among collectors of Japanese vintage horology.
Brand: Seiko
Model: Lord Matic
Reference Number: 5606-7360
Serial Number: 502500
Movement: Automatic Caliber 5606A
Dial: Emerald Green Geometric
Case Size: 36 mm (excluding the crown)
Case Material: Stainless Steel
Production Year: 1975
Condition: Excellent vintage condition, well-preserved, sharp case lines, vibrant dial. Running within vintage tolerances. Movement is active and operational.
Dial and Hands
The dial presents a deep, vibrant emerald green hue with a subtle geometric finish that interacts dynamically with the crystal. It is adorned with high-polished, applied baton hour markers, each featuring a central channel and faceted edges that catch the light. The hands are polished steel batons with slender white inlays, providing excellent contrast against the rich green backdrop. A framed day-date window is positioned at 3 o'clock, featuring a bilingual English and Kanji date wheel, a desirable trait for collectors. The dial text is crisp, featuring the applied polished "SEIKO" and "LM" logos, along with the "25 JEWELS" designation printed in white.
Case and Crystal
The defining feature of this timepiece is the faceted mineral crystal, often referred to as "Cut Glass" in Seiko catalogs. The crystal features multiple geometric planes that refract light and distort the dial beneath in a captivating manner. The stainless steel case features a distinct 1970s silhouette with shrouded lugs and sharp, angular lines. The transition between the brushed upper surfaces and the polished case sides remains distinct, preserving the factory geometry. The crown is recessed slightly into the case side, maintaining the sleek profile. The screw-down caseback is clearly engraved with the reference 5606-7360 and serial number 502500.
Movement
Powering the watch is the robust Seiko Caliber 5606A, a 25-jewel automatic movement. The movement images reveal a clean mechanism with the rotor clearly signed "SEIKO" and "JAPAN 5606A." This caliber was a workhorse of the era, known for its slim profile and reliability. Running within vintage tolerances. Movement is active and operational.
Strap
The watch is fitted with its original stainless steel bracelet, featuring a multi-link block design that complements the faceted nature of the crystal. The clasp is stamped with the "SEIKO LM" signature, confirming its authenticity to the model line. The bracelet is currently sized to fit a wrist circumference of approximately 19cm.
Condition
This example is in excellent vintage condition. The emerald dial is flawless, showing no signs of moisture intrusion or degradation. The faceted crystal is remarkably clear, preserving the sharp lines of the geometric cuts with no significant chipping. The case retains its original architectural lines with only minor surface handling marks consistent with careful storage. The movement is clean and visually free of corrosion.
Dimensions
The case measures 36 mm in diameter, offering a classic vintage proportion that wears slightly larger due to the unique case shape and faceted crystal height. The bracelet accommodates a wrist size of up to 19cm.
Remarks
The Seiko Lord Matic "Cut Glass" models represent a specific moment in watchmaking history where durability met disco-era style. Finding one with such a vibrant green dial and a clean faceted crystal is becoming increasingly difficult. This piece serves not just as a reliable timekeeper but as a piece of kinetic art, perfect for the collector who appreciates the bold design language of the 1970s.
History
Introduced in 1968, the Lord Matic (LM) line was entirely new, developed to house the 56-series movement which was thinner and more advanced than previous mid-tier calibers. The LM series bridged the gap between the mass-market Seiko 5 and the high-end King Seiko and Grand Seiko lines. By the mid-1970s, the line experimented with bold colors and faceted crystals, resulting in unique references like this 5606-7360 that have since become cult classics among enthusiasts.
/ Second Vintage
SKU: SEI-SAL-0009


























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Seiko - Lord Matic - No reserve price - 5606-7360 - Men - 1975
Seiko • 1975
Venduto per
€300
Venduto il 8 mar 2026
33 bids81 watching
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