Seiko - Grand Seiko 61GS 'Serviced' - No reserve price - 6145-8000 - Men - 1967

Now available at auction from Second Vintage

This sought-after 61GS Grand Seiko pairs a high-beat automatic movement with a cap gold case, highlighted by a wonderfully preserved gold GS medallion on the caseback. With its distinctive dauphine hands and applied faceted indices, this 1967 example represents a highly respected era of Japanese watchmaking.

Brand: Seiko
Model: Grand Seiko
Reference Number: 6145-8000
Serial Number: 7900098
Movement: Automatic, caliber 6145A
Dial: Silver/white sunburst with applied gold-tone faceted indices
Case Size: 36mm (excluding the crown)
Case Material: Cap gold, stainless steel caseback
Production Year: 1967
Condition: Good vintage condition. Movement serviced on 14 September 2026. Timegrapher: -8-10s/day, performing remarkably well.

Dial and Hands
The dial features a silver and white sunburst finish, accented by applied gold-tone faceted indices and the Seiko logo. A noticeable brown spot and stain is present below the Suwa logo at 6 o'clock, with minor dust and light aging visible under macro inspection. Despite these marks, the dial remains attractive overall with a distinct localized blemish. The gold-tone dauphine hands show light oxidation and micro-spotting, presenting age-appropriate patina.

Case and Crystal
The cap gold case features a stainless steel caseback. Moderate scratches and scuffs are visible throughout the case flanks and lugs, with some softening to the original case geometry and edges. The integrated gold-tone bezel shows scratches and minor dings consistent with the rest of the case. The gold GS medallion on the caseback is well preserved, offering honest vintage wear with preserved caseback details. The gold-tone knurled crown has a flat end and no visible signature. The flat acrylic crystal is clear, showing some light surface scratches visible at certain angles.

Movement
Powered by the esteemed automatic caliber 6145A, the movement presents a clean overall appearance with bright plates and bridges. The rotor shows minor edge wear but retains clear engravings reading GRAND SEIKO, GS, 6145A, JAPAN, and 004406. There are no obvious signs of corrosion or heavy tool marks. Recording -8-10s/day on the timegrapher. Exhibiting remarkable accuracy and consistency, performing brilliantly for a vintage timepiece. The movement was serviced on 14 September 2026.

Strap
Fitted with a black leather strap featuring contrast stitching. It shows light wear and is a standard strap in good condition.

Condition
Good vintage condition. The movement was serviced on 14 September 2026 and, supported by the recorded timegrapher result, is performing very strongly. The cap gold case shows moderate scratches, scuffs, and softening to the edges, while the caseback medallion remains well preserved. The dial features a noticeable brown spot below the Suwa logo at 6 o'clock, alongside minor dust and light aging. The hands display light oxidation, and the crystal has light surface scratches.

Dimensions
36mm (excluding the crown)

Remarks
A sought-after vintage Grand Seiko 61GS offering a beautiful high-beat movement and a well-preserved caseback medallion. Despite the localized dial blemish and case wear, it presents an honest and highly attractive example of Seiko design.

History
The Grand Seiko 61GS series is highly regarded among collectors for its high-beat movement and classic Grammar of Design influence. Introduced in the late 1960s, these timepieces showcased Seiko's dedication to precision and refined aesthetics. Today, they remain a respected choice for enthusiasts appreciating vintage Japanese horology.

Payment and Shipping
Payment must be completed within 1–3 days after purchase.
Your watch will be professionally and securely packaged, then shipped with tracking and insurance for your peace of mind.
We use fast express shipping, with typical delivery within 1–4 business days, depending on the destination.
Please note that vintage watches may show minor signs of wear, aging, or imperfections, which are considered normal for watches of this age.
We kindly ask you to review all photos carefully before bidding. We photograph each watch from multiple angles to provide the most accurate representation possible, and the photos form an important part of the description.
The timegrapher assessment if provided is seen as an indication of the movement’s condition under fully wound testing conditions. As with all vintage watches, results may vary in daily use.
If you have any concerns regarding functionality or defects after delivery, please contact us within 3 days of receiving the watch so we can assist you.
As with all used watches, water resistance is not guaranteed.
If you have any questions, feel free to contact us after the auction ends.

/ Second Vintage

SKU: SEI-SGG-0002