Grand Seiko - Ref. SBGE005 - 100% fully refurbished at Seiko’s official flagship service studio in Tokyo (Seiko - 9R66-0AC0 - Unisex - 2013
05
days
07
hours
31
minutes
16
seconds
Current bid
€ 1,776
Reserve price not met
Expert
Selected by Masayuki Nakai
Over 16 years buying and selling 1990s and 2000s watches with expert knowledge.
Estimate € 4,400 - € 5,300
 | €1,776 | |
|---|---|---|
 | €1,350 | |
| €1,250 | |
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Description from the seller
Grand Seiko Spring Drive GMT – Ref. SBGE005 - 100% fully refurbished at Seiko’s official flagship service studio in Tokyo (Seiko Time Lab / Wako)
Overview
Up for auction is a magnificent Grand Seiko Spring Drive GMT (Ref. SBGE005) in pristine, mint condition. This piece represents the pinnacle of high-end Japanese watchmaking, combining the silky sweep of Grand Seiko’s proprietary Spring Drive movement with dual-time GMT functionality.
This watch has been 100% fully refurbished at Seiko’s official flagship service studio in Tokyo (Seiko Time Lab / Wako) and has never been worn since the complete service. Mechanically and aesthetically, it is presented in like-new condition.
Key Features & Highlights
100% Factory Refurbished: Complete overhaul (Complete Service) executed by Seiko Time Lab Tokyo, including full movement disassembly, cleaning, lubrication, regulation, new gaskets, and Zaratsu light case polishing.
Condition: Unworn since full service. The deployant clasp retains its factory protective film.
Strap & Buckle: Brand new original Grand Seiko alligator leather strap paired with the original GS stainless steel folding buckle.
Dial: Sunburst champagne/silver dial with Zaratsu-polished hands and index markers, blue GMT hand, date aperture at 3 o'clock, and power reserve indicator.
Full Collector Set: Includes original Grand Seiko inner/outer boxes, guarantee paper, instruction manuals, maintenance handbook, and official 2025/2026 Seiko service report & invoice documentation.
Technical Specifications
Feature Specification
Brand Grand Seiko
Model Spring Drive GMT
Reference SBGE005 / Case Ref. 9R66-0AC0
Movement Caliber 9R66 Spring Drive (Automatic, 30 Jewels)
Power Reserve Approx. 72 Hours (3 Days)
Functions Hours, Minutes, Seconds, Date, GMT (Dual Time Zone), Power Reserve Indicator
Case Material Stainless Steel (Zaratsu Polished)
Water Resistance 10 Bar (100 m / 330 ft)
Crystal Dual-curved Sapphire Crystal with Anti-Reflective Coating
Dimensions
Case Diameter: 41 mm (excluding crown)
Lug-to-Lug: 48.6 mm
Thickness: 14.1 mm
Lug Width: 20 mm
Production & Service History
Production Date: November 2013 (Decoded via Serial No. 3N0036)
Service Date: Complete refurbishment performed at Tokyo Seiko Time Lab.
Shipment & Delivery
The watch will be packed with extreme care and shipped fully insured with tracking via express courier.
Grand Seiko Spring Drive GMT – Ref. SBGE005 - 100% fully refurbished at Seiko’s official flagship service studio in Tokyo (Seiko Time Lab / Wako)
Overview
Up for auction is a magnificent Grand Seiko Spring Drive GMT (Ref. SBGE005) in pristine, mint condition. This piece represents the pinnacle of high-end Japanese watchmaking, combining the silky sweep of Grand Seiko’s proprietary Spring Drive movement with dual-time GMT functionality.
This watch has been 100% fully refurbished at Seiko’s official flagship service studio in Tokyo (Seiko Time Lab / Wako) and has never been worn since the complete service. Mechanically and aesthetically, it is presented in like-new condition.
Key Features & Highlights
100% Factory Refurbished: Complete overhaul (Complete Service) executed by Seiko Time Lab Tokyo, including full movement disassembly, cleaning, lubrication, regulation, new gaskets, and Zaratsu light case polishing.
Condition: Unworn since full service. The deployant clasp retains its factory protective film.
Strap & Buckle: Brand new original Grand Seiko alligator leather strap paired with the original GS stainless steel folding buckle.
Dial: Sunburst champagne/silver dial with Zaratsu-polished hands and index markers, blue GMT hand, date aperture at 3 o'clock, and power reserve indicator.
Full Collector Set: Includes original Grand Seiko inner/outer boxes, guarantee paper, instruction manuals, maintenance handbook, and official 2025/2026 Seiko service report & invoice documentation.
Technical Specifications
Feature Specification
Brand Grand Seiko
Model Spring Drive GMT
Reference SBGE005 / Case Ref. 9R66-0AC0
Movement Caliber 9R66 Spring Drive (Automatic, 30 Jewels)
Power Reserve Approx. 72 Hours (3 Days)
Functions Hours, Minutes, Seconds, Date, GMT (Dual Time Zone), Power Reserve Indicator
Case Material Stainless Steel (Zaratsu Polished)
Water Resistance 10 Bar (100 m / 330 ft)
Crystal Dual-curved Sapphire Crystal with Anti-Reflective Coating
Dimensions
Case Diameter: 41 mm (excluding crown)
Lug-to-Lug: 48.6 mm
Thickness: 14.1 mm
Lug Width: 20 mm
Production & Service History
Production Date: November 2013 (Decoded via Serial No. 3N0036)
Service Date: Complete refurbishment performed at Tokyo Seiko Time Lab.
Shipment & Delivery
The watch will be packed with extreme care and shipped fully insured with tracking via express courier.
Details
Brand
Grand Seiko
Gender
Unisex
Model
Ref. SBGE005 - 100% fully refurbished at Seiko’s official flagship service studio in Tokyo (Seiko
Reference number
9R66-0AC0
Band material
Leather
Shipped insured
Yes
Band length
Regular (180–200 mm)
Period
2010-2020
Repainted dial
No
Movement
Automatic
Dial colour
Silver
Case material
Stainless steel
Original box included
Yes
Original papers included
Yes
Original warranty included
Yes
Case diameter
41 mm
Condition
Unworn - no signs of wear
Year
2013
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