heechang watch
grand-seiko
Jun 25, 2026
9F Quartz (e.g., SBGX261)

9F Quartz (e.g., SBGX261)

Grand Seiko's flagship quartz calibre; more accurate than most mechanical watches at ±10 seconds per year. The Zaratsu hand-polishing technique creates a mirror level of finishing rivaling haute horlogerie.

Specifications

Reference
SBGX261
Collection
9F Quartz
Case size
37 mm
Thickness
10.8 mm
Lug width
20 mm
Case
Steel
Movement
9F85, high-precision quartz, 32,768 Hz, ±10 sec/year accuracy, instant-jumping seconds
Water resist.
100 m
Complications
Quartz time-only with date
Dial
Blue dial, Zaratsu mirror-polished case and bracelet, applied luminous hour markers, instant-jumping seconds hand unique to Grand Seiko
Country
Japan
My tier
1
Tags
Value pick
Website
official page
Added
Jun 25, 2026

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