Grand Seiko 61GS Hi-Beat 36000 Ref. 6146-8000 1967

$2,750.00 NZD

The Grand Seiko 61GS belongs to the first generation of Grand Seiko automatic movements — they hold the distinction of being the first group of Grand Seiko automatics to beat at 36,000 vibrations per hour. Produced at the Suwa Seikosha facility in 1967, this example is from when Grand Seiko was quietly establishing the technical and aesthetic standards that would define the marque for the decades to come.

What distinguishes this early example of the Ref. 6146-8000 from its later variants is a matter of restraint. The dial carries no "Automatic" printing beneath the Seiko logo, and reads "Grand Seiko" rather than "Hi-Beat 36000" beneath the GS emblem — a cleaner, more considered layout. The GS logo itself is faceted with fine detail, a hallmark of the period's finishing quality. For the collector who understands the significance of these distinctions, this early 6146-8000 is a meaningfully different proposition from the broader 61GS family.

Grand Seiko 61GS Hi-Beat 36000 Ref. 6146-8000 1967

The Grand Seiko 61GS belongs to the first generation of Grand Seiko automatic movements — they hold the distinction of being the first group of Grand Seiko automatics to beat at 36,000 vibrations per hour. Produced at the Suwa Seikosha facility in 1967, this example is from when Grand Seiko was quietly establishing the technical and aesthetic standards that would define the marque for the decades to come.

What distinguishes this early example of the Ref. 6146-8000 from its later variants is a matter of restraint. The dial carries no "Automatic" printing beneath the Seiko logo, and reads "Grand Seiko" rather than "Hi-Beat 36000" beneath the GS emblem — a cleaner, more considered layout. The GS logo itself is faceted with fine detail, a hallmark of the period's finishing quality. For the collector who understands the significance of these distinctions, this early 6146-8000 is a meaningfully different proposition from the broader 61GS family.

Details
- Maker
  
  Grand Seiko
- Model
  
  61GS
- Reference
  
  6146-8000
- Year
  
  1967
- Box & Papers
  
  No
- Movement
  
  Caliber. 6146, automatic w/ 36,000bph Hi-Beat regulation
- Dial & Hands
  
  Silver dial w/ applied indices; faceted GS logo
- Crystal
  
  Hardlex
- Bracelet/Strap
  
  Artisan Straps taupe epsom leather strap w/ stainless steel buckle
- Service History
  
  Unknown
- Performance
  
  Watch is fully functioning and running at -1 second per day
Dimensions
- Diameter: 36.5mm (including crown)
- Thickness: 12.5mm (including crystal)
- Lug width: 18mm
- Lug-to-lug: 41.5mm
Materials

Stainless steel

The early 6146-8000 variant is distinguished from its later counterparts by the absence of "Automatic" text on the dial and the use of "Grand Seiko" rather than "Hi-Beat 36000" beneath the GS emblem — a cleaner, more architecturally resolved dial layout that draws the piece closer in spirit to the highly sought-after 44GS (Ref. 4420-9000). For the collector who understands the distinction, the early 6146-8000 is a meaningfully rarer and more desirable proposition than the broader 61GS family
The Caliber 6146 belongs to the first generation of Grand Seiko automatic movements to beat at 36,000 vibrations per hour — a technical achievement that placed Grand Seiko at the forefront of precision timekeeping in 1967, and one that the movement continues to demonstrate in practice: this example is running at -1 second per day
The Suwa Seikosha origin and the crisp, intact caseback medallion ground this watch in a specific and historically significant chapter of Grand Seiko's story — the period when the marque was operating at the absolute limit of what Japanese watchmaking could produce, competing directly with Swiss standards and, by many measures, exceeding them

Minor hairline scratches on case
Minor spotting on the dial

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