Grand Seiko Hi-Beat GMT (SBGJ237) Dimensions
Heritage — Complete specifications and wrist fit guide
Dimensions
Diameter
40.2 mm
Lug-to-Lug
47.0 mm
Thickness
14.4 mm
Lug Width
20 mm
Dimension Diagram
Case
Material
Stainless Steel
Crystal
Sapphire (box-shaped)
Water Resistance
100 m
Bezel
Fixed, polished
Crown
Screw-down
Caseback
Display
Dial Color
Blue (Mount Iwate texture)
Movement
Caliber
9S86
Type
Automatic (Hi-Beat 36000 GMT)
Power Reserve
55 hours
Frequency
36,000 vph
Context
MSRP
$7,600
Production
2019 - present
Wrist Fit Guide
With a lug-to-lug distance of 47.0 mm, the Grand Seiko Hi-Beat GMT fits wrists 6.5" (16.5 cm) and larger comfortably.
Wears similar to: Casio Multiband Square (GW-M5610U-1), Casio OCW-T200S-1AJF, Casio G-STEEL (GST-B400D-1A), Omega Moonwatch Professional Co-Axial Master Chronometer Chronograph 42 mm (310.30.42.50.01.001), Omega Moonwatch Professional Co-Axial Master Chronometer Chronograph 42 mm (Sapphire Sandwich) (310.30.42.50.01.002)
Where to Buy
Links may be affiliate links. See our affiliate disclosure.
Related Watches
Compare
vs Grand Seiko Shunbun (Spring)
40.0 mm / 12.8 mm thick
vs Grand Seiko Snowflake
41.0 mm / 12.5 mm thick
vs Grand Seiko Hi-Beat Rikka (Summer)
40.0 mm / 12.9 mm thick
vs Grand Seiko Quartz
37.0 mm / 10.0 mm thick