Grand Seiko watch 6146-8000 Hi-Beat 36000 Vintage 1968 Cross hair dial

SPECIFICATION

Reference : Grand Seiko 6146-8000
Movement : 6146 HI-Beat 36.000 BPH
Age : September 1986
Case Size : 36mm
Case Thickness : 12mm
Lug to Lug : 42mm
Lugs : 18mm
Condition : Used Seiko watch
Box & Papers : No
Case Material : Stainless Steel
Warranty : 12-Months Warranty

 POINTS TO MENTION

• In great pre-owned condition, with light wear from use
  
• Case and bezel have some light scratches and mark
  
• Fully serviced hi-beat movement
  
• GS signed crown
  
• Cross hair dial
  
• Paired with an unworn grey strap
  
• Gold medallion is in great condition with some light wear

A BIT OF TRIVIA

The Grand Seiko line made its debut in 1960, and continued until the 1970s (the mechanical Grand Seiko was revived in 1998 and continues production to this day). The most iconic of all the Grand Seiko case designs began as the manual wind 44GS in 1966 , and culminated in the automatic 61GS in 1968. The 61GS line was the result of refinements over the years including technology from the Astronomical Observatory Concours of the late 1960s.

The watch was designed by Taro Tanaka, the first graduate of a college design programme hired by Seiko. He wanted to design a watch that would “sparkle brilliantly” while on display, one that would compete with the Swiss watches of the time. He came up with a set of rules that would come to be known as the “Grammar of Design.” This meant perfectly flat surfaces and angles for cases, dials, hands and indices. All distortion would be eliminated, and the case finish would have a mix of high polish and brushed surfaces, couples with razor-sharp edges. The 6146-8000 is a perfect example of this design philosophy. Brilliant flat surfaces of mirror finish, with sharp lines delineating the different planes.

THE WATCH

The dial has a beautiful white finish with a cross-hair pattern, and steel baton markers. This one has a nice clean date window at 3 o’clock. The 61GS was also available with day/date. The date is quickset via the knurled “GS” signed crown. The steel hands are a simple dauphine style with a black line down the middle of each.

The movement is one of Seiko’s finest, a 25-jewel automatic hi-beat that operates at 36,000bph, made at their Suwa factory. It can also be wound manually and has a hacking feature. It is finished to a high level, with a nicely decorated rotor. The 61GS movement achieved the Seiko internal GS standard approval, which was adjusted to be within -3/+6 seconds per day when it left the factory. It is based on the 61 SeikoMatic 5 movement and was engineered with technology developed from data from the Astronomical Observatory Concours competitions that Seiko did extremely well in during the late 1960s.

OUR THOUGHTS

The Grand Seiko 6146-8000 is an absolute icon. Powered by the high-beat Caliber 6146, it delivers exceptional accuracy with a movement that operates at 36,000 vibrations per hour. Its design follows Seiko’s revolutionary “Grammar of Design,” featuring crisp lines and mirror-polished surfaces that set a new standard in Japanese watch aesthetics. Introduced in 1968, it marked a high point in Seiko’s ambition to rival Swiss watchmaking, combining technical innovation with refined elegance. With its balanced dial, quickset date function, and enduring craftsmanship, the 6146-8000 stands as a cornerstone of Grand Seiko’s vintage legacy and remains a prized piece among collectors.