Sport Hi-Beat 36000 GMT
Ref. SBGJ237
- Case diameter
- 44.2 mm
- Manufacturer spec
- Lug-to-lug
- 50.6 mm
- Manufacturer spec
- Thickness
- 14.4 mm
- Manufacturer spec
- Lug width
- 21 mm
- Manufacturer spec
Retail price $7,600 (US, Oct 2026)
How the Sport Hi-Beat 36000 GMT wears
Its lugs add 6.4 mm to the 44.2 mm case, close to the 7 mm typical across the almanac, so its diameter is a fair guide to how it wears.
On our fit model it sits best on wrists from 7" to 8.5" (17.8–21.6 cm); below 7" the lugs start to reach the edge of the wrist.
At 14.4 mm thick it is thicker than 94% of the 31 other gmt watches we've measured, so expect it to sit tall on the wrist.
Its 21 mm lug width is one of the most common strap sizes; 34 other watches here share it, so aftermarket straps are easy to find.
Will the Sport Hi-Beat 36000 GMT fit your wrist?
With a 50.6 mm lug-to-lug, here is how it wears across common wrist sizes. We estimate the flat top of each wrist from its circumference; measure yours for a closer answer in the fit finder.
| Wrist | Flat width (est.) | Fit |
|---|---|---|
| 6" | 47.2 mm | Lugs overhang |
| 6.5" | 51.2 mm | Lugs overhang |
| 7" | 55.1 mm | Ideal fit |
| 7.5" | 59.1 mm | Ideal fit |
| 8" | 63 mm | Ideal fit |
Specifications
- Reference
- SBGJ237
- Collection
- Sport
- Status
- In production
- Case material
- stainless steel
- Crystal
- dual-curved sapphire (inner AR coating)
- Water resistance
- 200 m
- Bezel
- rotating 24-hour bezel
- Dial
- midnight blue
- Strap / bracelet
- stainless steel bracelet, folding clasp with push button release
- Weight
- 188 g
- Style
- GMT, Sport
Movement
- Caliber
- Grand Seiko 9S86
- Type
- automatic
- Power reserve
- 55 hours
- Frequency
- 36,000 vph (5 Hz)
- Jewels
- 37
- Accuracy
- +5/-3 s/day (static); +8/-1 s/day normal use
Takes 21 mm straps. See other 21 mm watches and straps.
More Sport references
Watches that wear the same size
Other watches within 1.5 mm of its lug-to-lug.
- BreitlingChronomat B01 42AB0134101B1A1
- Case
- 42 mm
- Lug-to-lug
- 50.5 mm
- Thick
- 15.1 mm
- CitizenSeries 8 890 MechanicalNB6060-58L
- Case
- 42.6 mm
- Lug-to-lug
- 50.7 mm
- Thick
- 11.7 mm
- SeikoProspex Solar Hybrid Diver's 1982 Modern Re-interpretationSNJ025 · “Arnie”
- Case
- 47.8 mm
- Lug-to-lug
- 50.5 mm
- Thick
- 13.8 mm
- OmegaSeamaster Aqua Terra 150M GMT Worldtimer 43220.10.43.22.03.001
- Case
- 43 mm
- Lug-to-lug
- 50.3 mm
- Thick
- 14.1 mm
- BulovaLunar Pilot Chronograph 43.5mm98K112
- Case
- 43.5 mm
- Lug-to-lug
- 51 mm
- Thick
- 13.4 mm
- HamiltonKhaki Aviation Pilot Day Date Auto 42mmH64635140
- Case
- 42 mm
- Lug-to-lug
- 51 mm
- Thick
- 12.1 mm
Same 21 mm lug width
All 21 mm watchesThese take the same straps as the Sport Hi-Beat 36000 GMT.
- CertinaDS Action Diver 43mm Powermatic 80C032.607.11.051.00
- Case
- 43 mm
- Lug-to-lug
- 51.4 mm
- Thick
- 13.1 mm
- Grand SeikoHeritage 62GS Hi-Beat 36000SBGH351 · “Rikka”
- Case
- 40 mm
- Lug-to-lug
- 47 mm
- Thick
- 12.9 mm
- Grand SeikoHeritage 62GS Spring DriveSBGA413
- Case
- 40 mm
- Lug-to-lug
- 47 mm
- Thick
- 12.8 mm
- IWCBig Pilot's Watch 43IW329301
- Case
- 43 mm
- Lug-to-lug
- 52.5 mm
- Thick
- 13.6 mm
- LonginesHydroConquest 41mmL3.781.4.56.6
- Case
- 41 mm
- Lug-to-lug
- 51.1 mm
- Thick
- 11.9 mm
- LonginesMaster Collection 41mm (2026)L2.950.4.73.6
- Case
- 41 mm
- Lug-to-lug
- 48.7 mm
- Thick
- 9.5 mm