Grand Seiko - Spring Drive - SBGA447
Watch Info
Manufacturer: Grand Seiko
Model: Heritage Collection "Glashütte Dial" Special Edition
Condition: Excellent
Reference: SBGA477
Year: 2021
Box: Yes
Papers: Yes
Accessories: Complete Set (Inner & Outer Box, Manuals, Warranty Card), currently missing 2 full links from the bracelet.
Notes: This is an exceptionally rare Japanese Domestic Market (JDM) exclusive, released in a very limited edition of only 37 pieces for the Eye Eye Isuzu retailer. It features a unique silver-white dial texture often compared to Glashütte frosting.
Condition Assessment
Overall Condition: Pre-Owned - Excellent. This timepiece is in superb condition, showing only minor surface hairlines consistent with careful wear.
Dial, Hands, & Crystal: The unique silver-white textured dial is flawless. The Zaratsu-polished hands and markers are sharp, and the sapphire crystal is perfect.
Case & Bezel: The stainless steel case retains its original factory geometry with distortion-free mirror finishes. There are no significant dings or deep scratches present.
Strap/Bracelet & Clasp: The stainless steel bracelet is in excellent condition but is currently two full links short of a full complement. The folding clasp operates smoothly and securely.
Technical Specifications
Reference: SBGA477
Case Size: 40mm
Case Material: Stainless Steel
Dial: Silver-White Textured ("Glashütte Dial" or Frosted)
Movement: Caliber 9R65 Spring Drive
Power Reserve: 72 Hours (3 Days)
Water Resistance: 100m
Notable Details: Limited edition of 37 pieces, signature smooth-sweeping seconds hand, power reserve indicator at 8 o'clock, and accuracy of ±1 second per day.
What Makes the SBGA477 Special
The Grand Seiko SBGA477 is one of the most exclusive and difficult-to-acquire modern Spring Drive references, produced in a tiny limited run of only 37 pieces as a special edition for the Japanese retailer Eye Eye Isuzu. Its rarity makes it a prized piece for international collectors. The dial, though often overlooked, is the true highlight; it features a silver-white texture that is highly reminiscent of the frosted or granular finishing found on German watchmaking movements, earning it the collector nickname "Glashütte Dial."
The watch is powered by the cornerstone 9R65 Spring Drive movement, which delivers a seamless, silent sweep of the seconds hand, symbolizing the continuous, natural flow of time. It is housed in a classical 40mm stainless steel case that is finished with Grand Seiko’s proprietary Zaratsu polishing, creating surfaces that reflect light with stunning, distortion-free clarity. For a collector seeking an extremely low-production number and a unique dial texture not commonly seen in the Grand Seiko catalog, the SBGA477 is an exceptional find.
Why Buy from Road & Wrist
We guarantee authenticity on every watch we sell, using detailed photographs to ensure when you receive your watch, there are no surprises!
Authentication Guaranteed: Every watch undergoes rigorous verification—serial number cross-check, movement analysis, and full condition report. This timepiece is guaranteed 100% authentic, backed by our money-back guarantee.
Transparent Condition Reporting: We document every detail—both strengths and minor imperfections—so you know exactly what you're purchasing. High-quality, detailed photography is provided for every watch, ensuring no surprises and honest condition disclosure.
Secure Shipping: Your watch ships via fully insured, tracked service (e.g., FedEx Overnight) with signature required.
Post-Sale Support: We are available for servicing and maintenance, and are also happy to make suggestions for accessories (straps, winders, storage, etc…)
Watch Info
Manufacturer: Grand Seiko
Model: Heritage Collection "Glashütte Dial" Special Edition
Condition: Excellent
Reference: SBGA477
Year: 2021
Box: Yes
Papers: Yes
Accessories: Complete Set (Inner & Outer Box, Manuals, Warranty Card), currently missing 2 full links from the bracelet.
Notes: This is an exceptionally rare Japanese Domestic Market (JDM) exclusive, released in a very limited edition of only 37 pieces for the Eye Eye Isuzu retailer. It features a unique silver-white dial texture often compared to Glashütte frosting.
Condition Assessment
Overall Condition: Pre-Owned - Excellent. This timepiece is in superb condition, showing only minor surface hairlines consistent with careful wear.
Dial, Hands, & Crystal: The unique silver-white textured dial is flawless. The Zaratsu-polished hands and markers are sharp, and the sapphire crystal is perfect.
Case & Bezel: The stainless steel case retains its original factory geometry with distortion-free mirror finishes. There are no significant dings or deep scratches present.
Strap/Bracelet & Clasp: The stainless steel bracelet is in excellent condition but is currently two full links short of a full complement. The folding clasp operates smoothly and securely.
Technical Specifications
Reference: SBGA477
Case Size: 40mm
Case Material: Stainless Steel
Dial: Silver-White Textured ("Glashütte Dial" or Frosted)
Movement: Caliber 9R65 Spring Drive
Power Reserve: 72 Hours (3 Days)
Water Resistance: 100m
Notable Details: Limited edition of 37 pieces, signature smooth-sweeping seconds hand, power reserve indicator at 8 o'clock, and accuracy of ±1 second per day.
What Makes the SBGA477 Special
The Grand Seiko SBGA477 is one of the most exclusive and difficult-to-acquire modern Spring Drive references, produced in a tiny limited run of only 37 pieces as a special edition for the Japanese retailer Eye Eye Isuzu. Its rarity makes it a prized piece for international collectors. The dial, though often overlooked, is the true highlight; it features a silver-white texture that is highly reminiscent of the frosted or granular finishing found on German watchmaking movements, earning it the collector nickname "Glashütte Dial."
The watch is powered by the cornerstone 9R65 Spring Drive movement, which delivers a seamless, silent sweep of the seconds hand, symbolizing the continuous, natural flow of time. It is housed in a classical 40mm stainless steel case that is finished with Grand Seiko’s proprietary Zaratsu polishing, creating surfaces that reflect light with stunning, distortion-free clarity. For a collector seeking an extremely low-production number and a unique dial texture not commonly seen in the Grand Seiko catalog, the SBGA477 is an exceptional find.
Why Buy from Road & Wrist
We guarantee authenticity on every watch we sell, using detailed photographs to ensure when you receive your watch, there are no surprises!
Authentication Guaranteed: Every watch undergoes rigorous verification—serial number cross-check, movement analysis, and full condition report. This timepiece is guaranteed 100% authentic, backed by our money-back guarantee.
Transparent Condition Reporting: We document every detail—both strengths and minor imperfections—so you know exactly what you're purchasing. High-quality, detailed photography is provided for every watch, ensuring no surprises and honest condition disclosure.
Secure Shipping: Your watch ships via fully insured, tracked service (e.g., FedEx Overnight) with signature required.
Post-Sale Support: We are available for servicing and maintenance, and are also happy to make suggestions for accessories (straps, winders, storage, etc…)