View full screen - View 1 of Lot 2273. Heritage Collection, Reference SBGA421 | A limited edition titanium spring drive wristwatch with date, power reserve indication, snowflake dial and bracelet, Made to celebrate the 60th anniversary of the AJHH, Circa 2020  |  Grand Seiko |   Heritage Collection 型號 SBGA421 |  限量版鈦金屬 spring drive 鏈帶腕錶,備動力儲備及日期顯示及 snowflake 錶盤,為慶祝 AJHH 六十週年而製,約2020年製.
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Grand Seiko

Heritage Collection, Reference SBGA421 | A limited edition titanium spring drive wristwatch with date, power reserve indication, snowflake dial and bracelet, Made to celebrate the 60th anniversary of the AJHH, Circa 2020 | Grand Seiko | Heritage Collection 型號 SBGA421 | 限量版鈦金屬 spring drive 鏈帶腕錶,備動力儲備及日期顯示及 snowflake 錶盤,為慶祝 AJHH 六十週年而製,約2020年製

Grand Seiko

Grand Seiko

Heritage Collection, Reference SBGA421 | A limited edition titanium spring drive wristwatch with date, power reserve indication, snowflake dial and bracelet, Made to celebrate the 60th anniversary of the AJHH, Circa 2020 | Grand Seiko | Heritage Collection 型號 SBGA421 | 限量版鈦金屬 spring drive 鏈帶腕錶,備動力儲備及日期顯示及 snowflake 錶盤,為慶祝 AJHH 六十週年而製,約2020年製

Heritage Collection, Reference SBGA421 | A limited edition titanium spring drive wristwatch with date, power reserve indication, snowflake dial and bracelet, Made to celebrate the 60th anniversary of the AJHH, Circa 2020 | Grand Seiko | Heritage Collection 型號 SBGA421 | 限量版鈦金屬 spring drive 鏈帶腕錶,備動力儲備及日期顯示及 snowflake 錶盤,為慶祝 AJHH 六十週年而製,約2020年製

Grand Seiko

Heritage Collection, Reference SBGA421

A limited edition titanium spring drive wristwatch with date, power reserve indication, snowflake dial and bracelet, Made to celebrate the 60th anniversary of the AJHH, Circa 2020

Grand Seiko

Heritage Collection 型號 SBGA421

限量版鈦金屬 spring drive 鏈帶腕錶,備動力儲備及日期顯示及 snowflake 錶盤,為慶祝 AJHH 六十週年而製,約2020年製


Dial: snowflake

Calibre: cal. 9R65 spring drive automatic, 30 jewels

Case: titanium, screw down sapphire crystal display back

Case number: 010'227

Closure: titanium Grand Seiko bracelet and folding clasp

Size: 41 mm diameter, bracelet circumference approximately 200 mm

Signed: case, dial and movement

Accessories: Grand Seiko Certificate of Guarantee, additional blue alligator strap, additional stainless steel folding clasp and presentation box

附帶證書、備用藍色鱷魚皮帶、精鋼折扣及盒子

The movement is in working condition at the time of cataloguing. The date function is working properly. The watch is in excellent overall condition and is in like new condition. The original factory sticker on the case back remains attached. The bracelet is in excellent overall condition.


Please note that the movement has not been tested for the accuracy of time and may need a service at the buyer's expense.


Sotheby's does not guarantee the future working of the movement and we do not guarantee the authenticity of any individual component parts since subsequent repairs and restoration work may have resulted in the replacement of original parts. You are advised that watch straps or bands made of materials derived from endangered or otherwise protected species (i.e. alligator or crocodile) are not sold with the watch and we reserve the right to remove these straps or bands prior to shipping. Furthermore, the watch may not come with its original manufacturers strap or band.


Prospective bidders should review the Conditions of Business, Authenticity Guarantee, the Guide for Prospective Buyers, and any Important Notice in the sale catalogue.


"In response to your inquiry, we are pleased to provide you with a general report of the condition of the property described above. All dimensions in catalogue descriptions are approximate. Condition reports may not specify mechanical replacements or imperfections to the movement, case, dial, pendulum, separate base(s) or dome. Watches in water-resistant cases have been opened to examine movements but no warranties are made that the watches are currently water-resistant. Please note that we do not guarantee the authenticity of any individual component parts, such as wheels, hands, crowns, crystals, screws, bracelets and leather bands, since subsequent repairs and restoration work may have resulted in the replacement of original parts. Since we are not professional conservators or restorers, we urge you to consult with a restorer or conservator of your choice who will be better able to provide a detailed, professional report. Prospective buyers should inspect each lot to satisfy themselves as to condition and must understand that any statement made by Sotheby's is merely a subjective, qualified opinion. Prospective buyers should also refer to any Important Notices regarding this sale, which are printed in the Sale Catalogue. In particular, please note it is the purchaser's responsibility to comply with any applicable import and export matters, particularly in relation to lots incorporating materials from endangered species.NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING A LOT, ALL LOTS ARE OFFERED AND SOLD AS IS" IN ACCORDANCE WITH THE CONDITIONS OF BUSINESS PRINTED IN THE SALE CATALOGUE."


**Please be advised that bands made of materials derived from endangered or otherwise protected species (i.e. alligator and crocodile) are not sold with the watches and are for display purposes only. We reserve the right to remove these bands prior to shipping."

Part quartz part automatic, the Grand Seiko Spring Drive movement is a mechanical breakthrough for modern watchmaking as it is known to be one of the most accurate calibres ever designed. Presented in 1998 at the Basel Watch Fair, this invention combines the best of both worlds for mechanical and electronic watchmaking. Like any automatic powered movement, the watch generates its power from the rotor that stores the energy at the barrel. However, instead of using a conventional escapement to oscillate the power, the spring drive movement uses a quartz oscillator which sends a signal to manage the regulation. 

The present example was made to celebrate the 60th anniversary of the Japanese Association of Haute Horlogerie, featuring the signature SnowFlake dial with red accents, matching red sapphire display back in a titanium case, the present watch was made in a limited edition of 390 pieces, a very unusually low number for Grand Seiko. This is an example that is rare to come to the market.