
SBGH291
Ref.: SBGH291
The Grand Seiko SBGH291G is a high-beat diver’s watch featuring a 43.8mm high-intensity titanium case and a black dial. Its automatic movement beats at 36,000 vibrations per hour, ensuring high precision. With 200m water resistance, a unidirectional bezel, and Lumibrite on hands and indexes, it’s built for underwater exploration with a touch of sophistication.


Case Details
All the info on the case construction, dimensions, shape, and finishing.
- Case Diameter
- 43.8mm
- Lug-to-Lug Distance
- 51mm
- Lug Width
- 22mm
- Case Thickness
- 14.7mm
- Caseback Style
- Closed Back
- Case Shape
- Round
- Case Material
- Titanium
- Case Finishing
- Brushed, Satin Polished
- Weight
- 142g
- Water Resistance
- 20 ATM
Movement Details
Technical specs and extras under the hood.
- Movement Type
- Automatic
- Movement Name
- Seiko 9S85
- Frequency
- 36,000 BPH
- Hacking Seconds?
- Yes
- Complications & Features
- Date
- Power Reserve
- 55 hours
- Jewels
- 37
- Anti-Magnetism
- 4800 A/m
Dial Details
Color, material, lume, and other dial features.
- Lume Type
- LumiBrite
- Dial Color
- Black
- Dial Characteristic
- Matte
Bezel Details
Details about bezel materials, insert, action, and type.
- Bezel Direction
- Uni-Directional
- Number of Clicks
- 120 Clicks
- Bezel Type
- External Bezel
Crystal Details
Crystal material, type, and coatings.
- Crystal Material
- Sapphire Crystal
- Anti-Reflective Coating?
- Yes
Crown Details
Crown type and any additional crown functions.
- Crown Type
- Screw-Down
General Details
Brand, origin, price range, and more.
- Brand
- Grand Seiko
- Country of Origin
- Japan
- Watch Type
- Dive
- Price Range (USD)
- $$$$