Seiko - LM "Gradient Green Starburst" 光輪 (Kōrin) – Halo of Light - No reserve price - 5606-7071 - Men - 1972

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Seiko LM 23 Jewels ref. 5606-7071, a 1972 stainless steel automatic men’s watch with a 36 mm case, gradient green starburst dial, original multi-link bracelet, and near-mint vintage condition.

AI-assisted summary

Description from the seller

Presented for auction by Second Vintage

Seiko’s LM series exemplifies the brand’s fusion of early 1970s styling and technical reliability, and this Seiko LM 23 Jewels ref. 5606-7071 is an excellent example from 1972. Showcasing its rare gradient green starburst dial, original multi-link bracelet, and crisp case lines, this piece remains beautifully preserved, showing a little honest wear consistent with careful use—a true vintage highlight for collectors and enthusiasts alike.

Brand: Seiko
Model: LM 23 Jewels
Reference Number: 5606-7071
Serial Number: 290510
Movement: Seiko Caliber 5606, 23 jewels, automatic
Dial: Gradient green starburst, applied baton indices, day-date in English
Case Size: 36 mm (excluding the crown)
Case Material: Stainless steel
Production Year: 1972
Condition: Near-mint vintage condition with some light wear visible; running at +29/+34 seconds per day by timegrapher, indicating a healthy vintage movement.

Dial and Hands
The standout feature of this watch is its spectacular green sunburst dial, transitioning from vibrant emerald at the center to deep black at the edges. Applied silver-tone baton indices and hands with luminous inserts remain sharp and legible. The “Seiko LM” and “23 Jewels” markings are clear, and the day-date window at 3 o’clock adds practical functionality.

Case and Crystal
The stainless steel case retains its original lines and sharp profile, exhibiting some light surface wear in line with honest vintage patina. The brushed finish and polished bezel both remain attractive. The acrylic crystal is clear and free from major marks, providing an unobstructed view of the stunning dial.

Movement
Housed within is Seiko’s reliable Caliber 5606 automatic movement, running at +29 to +34 seconds per day by timegrapher, ensuring healthy vintage performance. The quickset day and date functions operate properly.

Strap
The original stainless steel multi-link bracelet fits wrists up to 17.5 cm. There is some light surface wear present but it remains comfortable and maintains its original shine.

Condition
This Seiko LM is in near-mint vintage condition, with a little light wear visible on the case and bracelet. The dial and hands are clean and bright, and the crystal is clear. Overall, it offers a well-cared-for presence, performing reliably within noted timegrapher results.

Dimensions
Case diameter: 36 mm (excluding crown)
Wrist size: Up to 17.5 cm

Remarks
With its rare gradient green dial and well-preserved vintage character, this Seiko LM 5606-7071 offers striking visual appeal and originality. Its gently worn, honest patina will appeal to those seeking an authentic, standout vintage Seiko.

History
Introduced in the early 1970s, the Seiko LM (Lord Matic) series represents the height of the brand’s mid-century innovation with refined automatic movements and unique dial designs. The 5606-7071 is an especially desirable reference, sought for its technical dependability and the exceptional vibrancy of its sunburst dials.

Payment and Shipping
Payment must be completed within 1-3 days after purchase.
The watch will be securely packaged and shipped with tracking and insurance for your peace of mind.
Please review the pictures carefully before bidding. We strive to showcase the watch from multiple angles for an accurate representation.
As with all vintage watches, water resistance is not guaranteed.
The watch will be delivered in fully functional working condition.
If you have any questions, feel free to contact us after the auction ends.

/ Second Vintage

SKU: SEI194SL8I000

Seller's Story

Welcome to Second Vintage. Our weekly selections feature carefully curated vintage timepieces from iconic brands such as Rolex, Omega, Longines, Seiko, and many more. Each watch is thoroughly inspected and always delivered in working condition. We are a team of dedicated vintage watch enthusiasts with deep expertise in the details that truly matter – from reference numbers and movements to authenticity, design, and historical nuance. With thousands of successful auctions and satisfied customers across the globe, we are proud to be recognized as a Top Seller on Catawiki. Our reputation is built on trust, transparency, and consistent quality. You can bid with confidence knowing that your satisfaction is our highest priority. We ship quickly and securely, using professional packaging to ensure your watch arrives safely and exactly as described. All items are dispatched within 2–3 business days after payment. In the rare event that something occurs during transport, vintage watches can occasionally be affected by handling. Should an issue arise, we respond promptly and are always ready to assist in finding a solution. Your satisfaction comes first. Learn more about our brand at SecondVintage com

Presented for auction by Second Vintage

Seiko’s LM series exemplifies the brand’s fusion of early 1970s styling and technical reliability, and this Seiko LM 23 Jewels ref. 5606-7071 is an excellent example from 1972. Showcasing its rare gradient green starburst dial, original multi-link bracelet, and crisp case lines, this piece remains beautifully preserved, showing a little honest wear consistent with careful use—a true vintage highlight for collectors and enthusiasts alike.

Brand: Seiko
Model: LM 23 Jewels
Reference Number: 5606-7071
Serial Number: 290510
Movement: Seiko Caliber 5606, 23 jewels, automatic
Dial: Gradient green starburst, applied baton indices, day-date in English
Case Size: 36 mm (excluding the crown)
Case Material: Stainless steel
Production Year: 1972
Condition: Near-mint vintage condition with some light wear visible; running at +29/+34 seconds per day by timegrapher, indicating a healthy vintage movement.

Dial and Hands
The standout feature of this watch is its spectacular green sunburst dial, transitioning from vibrant emerald at the center to deep black at the edges. Applied silver-tone baton indices and hands with luminous inserts remain sharp and legible. The “Seiko LM” and “23 Jewels” markings are clear, and the day-date window at 3 o’clock adds practical functionality.

Case and Crystal
The stainless steel case retains its original lines and sharp profile, exhibiting some light surface wear in line with honest vintage patina. The brushed finish and polished bezel both remain attractive. The acrylic crystal is clear and free from major marks, providing an unobstructed view of the stunning dial.

Movement
Housed within is Seiko’s reliable Caliber 5606 automatic movement, running at +29 to +34 seconds per day by timegrapher, ensuring healthy vintage performance. The quickset day and date functions operate properly.

Strap
The original stainless steel multi-link bracelet fits wrists up to 17.5 cm. There is some light surface wear present but it remains comfortable and maintains its original shine.

Condition
This Seiko LM is in near-mint vintage condition, with a little light wear visible on the case and bracelet. The dial and hands are clean and bright, and the crystal is clear. Overall, it offers a well-cared-for presence, performing reliably within noted timegrapher results.

Dimensions
Case diameter: 36 mm (excluding crown)
Wrist size: Up to 17.5 cm

Remarks
With its rare gradient green dial and well-preserved vintage character, this Seiko LM 5606-7071 offers striking visual appeal and originality. Its gently worn, honest patina will appeal to those seeking an authentic, standout vintage Seiko.

History
Introduced in the early 1970s, the Seiko LM (Lord Matic) series represents the height of the brand’s mid-century innovation with refined automatic movements and unique dial designs. The 5606-7071 is an especially desirable reference, sought for its technical dependability and the exceptional vibrancy of its sunburst dials.

Payment and Shipping
Payment must be completed within 1-3 days after purchase.
The watch will be securely packaged and shipped with tracking and insurance for your peace of mind.
Please review the pictures carefully before bidding. We strive to showcase the watch from multiple angles for an accurate representation.
As with all vintage watches, water resistance is not guaranteed.
The watch will be delivered in fully functional working condition.
If you have any questions, feel free to contact us after the auction ends.

/ Second Vintage

SKU: SEI194SL8I000

Seller's Story

Welcome to Second Vintage. Our weekly selections feature carefully curated vintage timepieces from iconic brands such as Rolex, Omega, Longines, Seiko, and many more. Each watch is thoroughly inspected and always delivered in working condition. We are a team of dedicated vintage watch enthusiasts with deep expertise in the details that truly matter – from reference numbers and movements to authenticity, design, and historical nuance. With thousands of successful auctions and satisfied customers across the globe, we are proud to be recognized as a Top Seller on Catawiki. Our reputation is built on trust, transparency, and consistent quality. You can bid with confidence knowing that your satisfaction is our highest priority. We ship quickly and securely, using professional packaging to ensure your watch arrives safely and exactly as described. All items are dispatched within 2–3 business days after payment. In the rare event that something occurs during transport, vintage watches can occasionally be affected by handling. Should an issue arise, we respond promptly and are always ready to assist in finding a solution. Your satisfaction comes first. Learn more about our brand at SecondVintage com

Details

Brand
Seiko
Gender
Men
Model
LM "Gradient Green Starburst" 光輪 (Kōrin) – Halo of Light
Reference Number
5606-7071
Band material
Steel
Shipped Insured
Yes
Period
1970-1979
Repainted dial
No
Movement
Automatic
Case material
Stainless steel
Original box included
No
Original papers included
No
Case diameter
36 mm
Original warranty included
No
Condition
Very good - minor signs of wear
Year
1972
DenmarkVerified
2697
Objects sold
99.87%
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