Grand Seiko Mechanical Automatic Hi Beat 36000 GMT Stainless Steel / Mount Iwate / Bracelet

Reference SBGJ201

About this watch

The Grand Seiko SBGJ201, also known as the Mount Iwate, is a masterpiece that embodies the essence of Japanese artistry and horological excellence. Its stunning white sunburst dial, polished Dauphine hands, and stick and dot indexes create a beautiful symphony of design elements. The stainless steel case, with its 40 mm diameter and 14 mm height, strikes a perfect balance between presence and wearability. This self-winding 'high-beat' movement offers exceptional accuracy and reliability, with a rate of -5 to +3 seconds a day. The GMT functionality allows you to track your home time zone while being aware of the local time. With its open case back, you can admire the intricate movement at work, showcasing the craftsmanship that goes into every Grand Seiko timepiece. This watch is designed for comfort, with a secure clasp and a reasonable weight that makes it easy to forget you're even wearing it. The Grand Seiko SBGJ201 is a beacon of Japanese craftsmanship, combining tradition, technology, and timeless elegance in a way that's unmatched by other watches.
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Key Features

  • Grand Seiko caliber 9S86 movement
  • Stainless steel case with 40 mm diameter and 14 mm height
  • Water resistance rating of 100 meters
  • Sapphire glass for scratch-resistant durability
  • GMT functionality for tracking multiple time zones
  • Open case back to showcase intricate movement
  • Comfortable secure clasp and reasonable weight

Specifications

Brand
Grand Seiko
Family
Mechanical
Model
Automatic Hi Beat 36000 GMT Stainless Steel / Mount Iwate / Bracelet
Reference
SBGJ201
Movement
9s86
Movement Features
  • Hours, Minutes, Additional 24 Hour Hand (adjustable), Seconds
  • Date
Case
Stainless Steel 40mm
Dial Color
White
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] 1968 Grand Seiko 4520-8000 Hi-Beat Manual Wind Mechanical | 36,000vph | Vintage 45GS | Unpolished | Great Condition | Extras Included

1968 Grand Seiko 4520-8000 Hi-Beat Manual Wind Mechanical | 36,000vph | Vintage 45GS | Unpolished | Great Condition | Extras Included

Grand Seiko - 4520-8000 ยท $1,500
This is a stunning 1968 Grand Seiko 45GS with an unpolished case and a creamy dial. The watch features a manual wind movement beating at 36,000 vph and comes with its original GS signed caseback, as well as a Lapinist sapphire crystal display caseback.

  • Condition: Great Condition
  • Size: 36mm x 9mm thick
  • Movement: 4520A Hi-Beat Manual Wind Mechanical beating at 36,000 vph (10 beats per second)
  • Accuracy: 4spd on wrist
Posted at
Jan 13, 2026, 12:31 PM
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