Presented for auction by Second Vintage
This remarkable timepiece captures the adventurous and vibrant design language of 1970s Japanese horology, combining a sophisticated automatic caliber with an undeniably striking aesthetic. It stands as a testament to an era when bold textures and architectural cases defined the modern wrist.
Brand: Seiko
Model: Lord Matic
Reference Number: 5606-7310
Serial Number: 304058
Movement: Seiko Caliber 5606A Automatic, 23 Jewels
Dial: Green vertical gradient dial with applied gold-tone indices, exceptionally clean
Case Size: 36 mm (excluding the crown)
Case Material: Stainless Steel
Production Year: 1973
Condition: Good vintage condition with a wonderfully preserved dial and sharp case lines
Dial and Hands
The dial is a vibrant green with a striking vertical gradient pattern, offering a dynamic interplay of light and shadow that shifts beautifully depending on the viewing angle. It features applied gold-tone indices with a distinct stepped and ridged profile, adding significant depth and architectural interest to the presentation. The matching gold-tone baton hands are well-preserved, complementing the applied 'SEIKO' and 'LM' logos. A gold-framed day-date aperture sits cleanly at the three o'clock position. The dial surface remains in excellent condition, appearing exceptionally clean and free from moisture marks, spotting, discoloration, or significant degradation.
Case and Crystal
The 36mm stainless steel case features a classic angular profile with sharp, faceted lugs that retain their defined edges. The transition between the brushed top surfaces and polished case flanks remains crisp, showing honest, age-consistent wear and superficial handling marks throughout. The recessed crown is positioned neatly along the case edge. The watch is fitted with a distinctive faceted crystal, showcasing an angular crystal form that dramatically refracts light over the dial beneath. The crystal displays some edge wear and minor surface marks consistent with normal vintage use, while still providing a highly attractive and clear view of the dial. The screw-down caseback is clearly engraved with the reference and serial numbers.
Movement
Inside beats the Seiko Caliber 5606A automatic movement, featuring 23 jewels. The movement is cleanly presented in the provided images, with the rotor and bridges showing appropriate factory finishing and clear caliber engravings. Performing well within expected vintage tolerances; running strong and steady. The timegrapher indicates a current performance of -32s/day.
Strap
The watch is fitted with a black textured leather strap featuring white contrast stitching, secured by a stainless steel pin buckle. The strap complements the vintage character of the timepiece perfectly.
Condition
Good vintage condition. The stainless steel case exhibits normal vintage wear and handling marks while maintaining its strong architectural lines and factory lug geometry. The green gradient dial is exceptionally well-preserved and stands out as a pristine focal point. The faceted crystal shows minor age-appropriate edge wear but remains a defining and highly attractive feature of the watch.
Dimensions
The case measures 36 mm in diameter, excluding the crown.
Remarks
This Lord Matic perfectly captures the daring design language of 1970s Seiko, combining a brilliant gradient dial with a highly sought-after faceted crystal form. It represents a fantastic opportunity to acquire a distinctive, mechanically robust, and visually captivating vintage piece that offers incredible wrist presence.
History
The Seiko Lord Matic (LM) series was introduced in 1968, serving as a premium mid-tier offering that sat proudly alongside the King Seiko and Grand Seiko lines. Equipped with the sophisticated 5600 series automatic calibers, the Lord Matic was designed for the modern professional, offering advanced features in a slim profile. The line is particularly revered today by collectors for its incredible variety of case shapes, vibrant textured dials, and experimental faceted crystals that defined the golden era of Japanese mechanical watchmaking.
/ Second Vintage
SKU: SEI-SLJ-0017

































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Seiko - Lord Matic - No reserve price - 5606-7310 - Men - 1973
Seiko • 1973
Sold for
€366
Sold on Jun 16, 2026
30 bids115 watching
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