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Generated illustration of the Grand Seiko Sport Hi-Beat GMT SBGJ237: round case, 44.2 mm, midnight blue dial, gmt bezel, bracelet strap.

Plate 150. Illustration generated from this record, not a photograph. No lettering or logos. Colours are approximate. Same scale on every plate.

a Bezel
gmt, blue and white
b Dial
midnight blue
c Case
stainless steel, round
d Strap
bracelet, steel

Grand Seiko · GMT

Sport Hi-Beat GMT

Ref. SBGJ237

Machine translation pending human review. Figures and sources match the original.

A high-frequency sports GMT with a 24-hour sapphire bezel.

US$7,600

Official list price · Nov 2026 · Source: grand-seiko.com

Official site

Why it matters

  • Rotating 24-hour bezel in blue and white
  • Time difference adjustment linked to the calendar
  • 200 m water resistance

Specifications

Line
Sport
Year
unconfirmed
Status
In production
Range
Luxury
Diameter
44.2 mm
Thickness
14.4 mm
Material
stainless steel
Shape
round
Dial
midnight blue
Markers
unconfirmed
Date
unconfirmed
Bezel
gmt, blue and white
Strap
bracelet, steel
Calibre
9S86
Movement
Automatic
Power reserve
55 h
Frequency
36,000 vph
Jewels
37
Water resistance
200 m
Complications
hours, minutes, seconds, gmt

Across the Archive

Diameter44.2 mmAbove 91% of 391 watches with this figure
Thickness14.4 mmAbove 88% of 291 watches with this figure
Power reserve55 hAbove 36% of 292 watches with this figure
Frequency36,000 vphAbove 90% of 233 watches with this figure
Water resistance200 mAbove 72% of 336 watches with this figure
PriceUS$7,600 · Nov 2026Above 78% of 101 prices in USD. Log scale.

Where to buy

A search for this reference at retailers. TicTemple does not sell watches or check stock. Links go live once we join each programme.

Sources

  1. grand-seiko.com
  2. grand-seiko.com

Record confidence: high. Based on an official source. Anything unverified is shown as “unconfirmed”, never estimated.

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