Grand Seiko
Hi-Beat SBGH205 Black Dial

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Key Features

  • This timepiece features a 40mm steel case paired with a high quality steel bracelet. It showcases a distinctive black dial and is powered by a precise automatic winding movement. The watch is designed with a water resistance of up to 30m.
  • We are Authorized Dealers, ensuring you receive 5 Year warranty directly from Grand Seiko.
  • U.S Shipping Only
  • Multiple financing options. Learn more.
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Grand Seiko SBGH205 Review

Grand Seiko was a concept created by a desire to design the best thing to ever happen in the watch industry - the “ideal” watch. Over the years, their products have impressed for its impeccable mechanics and style. Despite the rivalry with Swiss and German watch companies, Grand Seiko has been able to attract and retain watch enthusiasts from all over the world.

Keeping up to their reputation, Grand Seiko SBGH205 was released, and again instantly created the “ideal” watch.

The History of the Grand Seiko SBGH205

Since the 1960 edition of the Grand Seiko that started out the brand's journey, the company has sought to add value to the world of mechanical watches. They have also set new standards by disrupting the industry with their superior degree of chronological accuracy.

Their eventual obsession with mechanical precision and reliability in their watches led to advances. Watchmaking skills, the invention of new calibers, alloys and other components are just a few of those advances. The Grand Seiko's collection grew to include famous watches like the automatic 10-beat 61GS which later became the blueprint marker for the making of the Grand Seiko SBGH205.

Released in 2017, the Grand Seiko SBGH205 runs an improved high-beat 9S85 caliber, with 10-beat per second. This makes it run at a rate faster than other mechanical varieties of its time. With SBGH205, Grand Seiko strides on another landmark of quality in making the "ideal" watch - surpassing its own previous standards in the process.

What's Special about the Grand Seiko SBGH205

Grand Seiko SBGH205 is a beauty of its own kind - an archetype classic watch on a metal bracelet. It houses a high-beat 9S85 caliber, a perfect and aesthetically formed Hi-Beat 36000. This surpasses its original 10-beat auto caliber watch 61GS of 1968 in many ways. First with its high precision created through sophisticated new-age technology. Second with the MEMS technology which affords the caliber a new escape wheel and pallet.

The SBGH205 balance spring is composed of another newly developed highly shock resistant and anti-magnetic alloy “SPRON610”. The new components significantly contribute to its high accuracy and reliability in performance. It is arguably the most precise timekeeping piece in the industry with an accuracy of -3 to +5 seconds per day (+8 to -1 seconds per day on a normal day usage).

What more apart from its key element of accuracy? Well, its black dial creates a strong impression with a delicate and beautiful radial pattern. It is inspired by the many rigid contours of Mt. Iwate. This mountain is visible through the windows of the Shizuku-Ishi Watch Studio where Grand Seiko mechanical watches are made. The watch is comfortable and has a water resistance ability of 10 bar.

Finally, it comes with a handy guide called “Mechanical Watch Movements Handbook by Seiko”. Published in both the English and Japanese languages, this book describes with text and illustrations how the movement works, how to care for the watch and how to live with it properly. The guide is interesting, in-depth, and user-centered.

Overall Features and Functions

The Grand Seiko SBGH205 has a finely polished stainless-steel case of 40.2mm diameter and 13mm thick, with a dual-curved sapphire glass. It has a 37-jewel bracelet band of 195mm perimeters with a three-fold clasp with push-button release.

This classic beauty runs an Hi-Beat 9S85 caliber, an automatic movement with manual winding capacity. Although it has an energy-consuming characteristic, it still reserves approximately 55 hours of power. It boasts an accuracy of +5 to -3 seconds per day (when static) and +8 to -1 seconds per day (normal usage accuracy).

An incarnation of an original design, it has an improved water resistance capability of 10 bar, magnetic resistance, and weighs only 151.0 g making it a comfortable gear on your wrist.

The dial is a black pattern inspired by the Mt. Iwate, with the date window display on the 3 o’clock hand. The case back is a screw, see-through with the lion emblem. It has a screw-down crown and a stop second-hand function.

Wrap Up: Grand Seiko SBGH205 Review

The Grand Seiko is either something to you or nothing at all. In Japan, it's a form of national pride! Its high-end watches are reputable for quality and reliability.

The key takes here is accuracy, durability, easy style and usability. Grand Seiko SBGH205 - like their quartz, spring drive, hi-beat watches - is a luxury to have! You don't see a more precise mechanical watch in the market than Seiko's. It's got purpose and poise, a personality for you!

You can get your Grand Seiko SBGH205 at Exquisite Timepieces. We are authorized dealers of luxury brands. We also pre-owned watches of any brand. Trust us, there is no better place to get your timepieces than from us - even if we do say so ourselves.




5 Year



Reference Number





Stainless Steel


Exhibition Case Back

Case Diameter ⌀





High Definition Dual-curved Sapphire Crystal With Anti-reflective Coating



Water Resistance






Dial Markers



Delta Shaped


Hours, Minutes, Seconds and Date

Movement Type


Movement Description

Mechanical Automatic (Hand winding capability) Caliber 9S85


Steel bracelet


Stainless Steel

Buckle Type

Stainless Steel With Three-fold Clasp With Push Button Release

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Frequently Asked Questions

Common Questions Answered

We are specialists with over 25 years in the watch industry. We are authorized dealers of more than 60 watch brands and have a 4.9 out of 5-star rating on Google Reviews with over 1,700 reviews. Customer satisfaction is our top priority.

We are located in Naples, Florida, but we ship to customers all over the United States and around the world, with some exceptions.

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Unfortunately, we are unable to ship this watch outside the United States.

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Yes, this watch comes with a 5 Year warranty directly from Grand Seiko.

Absolutely! We accept trade-ins for used watches. Contact us for more details on how to trade in your watch.

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