Seiko Lord Matic "Blue Sunburst" 5606-7140 (1971)

Presented for auction by Second Vintage This Seiko Lord Matic, reference 5606-7140, is a superb example of 1970s Japanese watchmaking, featuring a vivid blue sunburst dial and its original stainless steel Lord Matic bracelet. A testament to Seiko’s commitment to quality and style, this vintage piece blends sharp case lines, original detailing, and mechanical reliability, making it highly appealing to collectors and enthusiasts alike. Brand: Seiko Model: Lord Matic (LM) Reference Number: 5606-7140 Serial Number: 164557 Movement: Seiko automatic, 25 jewels Dial: Blue sunburst with applied indices and day-date at 3 o’clock Case Size: 36 mm (excluding the crown) Case Material: Stainless steel Production Year: 1971 Condition: Very good vintage condition with light, even wear, running within vintage tolerances. Dial and Hands The eye-catching blue sunburst dial retains its vibrancy and deep tone, highlighted by crisp applied indices and clean Seiko and LM branding. The hands and hour markers have their original luminous material, now displaying a subtle patina that adds character. The day-date window at 3 o’clock is sharp and highly legible, maintaining smooth functionality. Case and Crystal The 36 mm stainless steel case preserves its strong lines, original brushing, and profile. Minor surface marks consistent with careful vintage use are present, but there are no notable dents or deep scratches. The acrylic crystal is clear, providing an excellent view of the dial. Movement Powered by Seiko’s proven 5606 automatic movement with 25 jewels, the watch features both quickset day/date and hacking seconds. The movement is running within vintage tolerances, reflecting the robust engineering of this era. Strap Fitted with its original Seiko Lord Matic stainless steel bracelet, this watch maintains true period authenticity. The bracelet, with its classic folded-link design, remains secure, comfortable, and presents light but honest vintage wear. Sized for wrists up to 18 cm, it features the original Seiko clasp. Condition Very good vintage condition throughout, with light surface wear to the case and bracelet, and a remarkably well-kept dial. The movement runs smoothly within vintage tolerances and all functions perform correctly. Dimensions Case diameter: 36 mm (excluding the crown) Bracelet fits wrists up to 18 cm Remarks A particularly desirable Seiko Lord Matic 5606-7140, especially with its original LM bracelet and striking blue dial. Its originality, well-preserved condition, and period-correct presence make it an excellent addition to any vintage Seiko collection. History Introduced in the early 1970s, the Lord Matic line exemplified Seiko’s focus on combining sophisticated aesthetic design with technical automatic movement advancements. The 5606 series is highly regarded for its 25-jewel movement and practical features, and examples with original LM bracelets are increasingly sought after by collectors. This watch stands as a testament to both Seiko’s heritage and the enduring appeal of vintage Japanese timepieces. / Second Vintage SKU: SEI11UHKRV000