
Grand Seiko
Grand Seiko's Spring Drive caliber combines a mechanical mainspring with an electronic regulator to achieve a perfectly smooth gliding seconds hand and accuracy of plus or minus 1 second per day. The Tri-synchro regulator uses the energy of the mainspring to generate electricity that powers the quartz oscillator and IC, eliminating the need for a battery. A 72-hour power reserve and 30 jewels make it one of the most technologically unique movements in horology.
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SBGA293 collection · 23 watches
2 colorways
The market
The forum market
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Grand Seiko on the secondhand market
+7.5%
2026 so far · +4.0% to +12.1% · 41 matched watches
In line with the index
Dress watches as a group: +10.9% · 211 matched watches
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The community take
Owners widely praise the Grand Seiko SBGA293 for its exceptional value, noting finishing details that rival watches costing twice as much. The light cream dial, detailed hour markers, and hands are considered beautiful, and the Spring Drive movement is frequently cited as a special, accurate, and reliable feature, running at +1 second per day for one owner. Some owners find the 40.2mm case size a concern for formal wear, while others feel it is not particularly thick. On balance, owners rate the Grand Seiko SBGA293 highly for its blend of unique horology and meticulous finishing at its price point.
On real wrists
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