Manufacturer details checked
Grand Seiko
Grand Seiko sbgh289g
- Exterior
- Stainless steel
- Case back
- Screw case back
- Glass Material
- Sapphire crystal
- Glass Coating
- Anti-reflective coating on inner surface
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Specifications checked against the linked manufacturer page. The image source and display method are identified with the illustration.
Manufacturer specifications checked for this reference
These specifications were checked against the manufacturer page for this exact reference.
- Exterior
- Stainless steel
- Case back
- Screw case back
- Glass Material
- Sapphire crystal
- Glass Coating
- Anti-reflective coating on inner surface
- LumiBrite
- LumiBrite on hands, index(es) and bezel
- Case size
- Diameter 43.8mm Lug-to-lug 51.0mm Thickness 14.7mm
- Band width
- 22mm
- Clasp type
- Extension clasp with folding lock
- The perimeter of Band
- 190mm
- Caliber no.
- 9S85 Instructions
- Movement Type
- Self-winding with manual-winding
- Power reserve
- Approx. 55 hours
- Mean daily rate
- +5 to -3 seconds per day Mean daily rate is a mean value of daily rates in a condition where the movement before assembly in a case is measured in six positions in a fixed manner under artificially controlled environment for 12 days.
- Normal usage accuracy
- +8 to -1 seconds per day
- Water resistance
- 200m / 660ft diver's
- Magnetic resistance
- 4,800 A/m
- Weight
- 206 g
- Other details / Features
- Unidirectional rotating bezel Screw-down crown Three-fold clasp with secure lock 37 jewels
Checked 2026-09-27 · Regional scope: manufacturer Europe · Manufacturer specifications; individual watches may vary.
Original manufacturer wording is retained for source data without a reviewed translation.
Recorded discovery details.
- Brand
- Grand Seiko
- Reference token
- sbgh289g
- Collection candidate
- Not established
- Family candidate
- Not established
- Product type
- Watch candidate
Official discovery source
The exact token was retained from a stored official manufacturer URL or feed. The source supports discovery, but does not by itself verify every model detail.
Open official manufacturer page ↗Source record: grand-seiko-official-batch-20260924 · Manufacturer details checked; editorial publication pending.