Side by side

Grand Seiko SBGJ237vsGruppo Gamma Field III GMT

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

SBGJ237
Grand SeikoSBGJ237
MSRP $7,600
Field III GMT
Gruppo GammaField III GMT
MSRP $459

At a glance

9 of 29 specs differ
Diameter
SBGJ23744.2mm
Field III GMT40mm
Power Reserve
SBGJ23755h
Field III GMT41h
Water Resistance
SBGJ237200m
Field III GMT200m
MSRP
SBGJ237$7,600
Field III GMT$459

Full specifications

Case

4 specs
Diameter
44.2mm
40mm
Thickness
14.4mm
14mm
Lug-to-Lug
50.6mm
48.5mm
Lug Width
21mm
22mm

Crystal & Dial

1 specs
Lume
None
Super-LumiNova

Movement

3 specs
Caliber
9S86
Seiko Instruments NH38A
Power Reserve
55h
41h
Complications
None
GMT

Pricing

1 specs
MSRP
$7,600
$459

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Grand Seiko SBGJ237

Grand Seiko SBGJ237 owners and reviewers praise its impeccable finishing, Hi-Beat 36,000vph movement, and functional GMT complication. The watch is noted for its good value at €7,000, featuring a stainless steel bracelet with alternating brushed and polished surfaces, and a sapphire bezel with a day/night indicator. Reviewers highlight the lovely lume and the bezel's vintage-inspired, asymmetric color split, which uses LumiBrite for low-light legibility. The 9S86 Hi-Beat movement offers impressive accuracy of -5 to +3 seconds per day and a 55-hour power reserve. The SBGJ237 boasts 200-meter water resistance. However, the 44.2mm case size, measuring 14.4mm thick, may require slightly larger wrists, and its elevated crystal and less prominent bezel contribute to a thickness that might feel less substantial in person. Overall, owners and reviewers highly regard the Grand Seiko SBGJ237 for its combination of finishing, movement technology, and GMT functionality at its price point.

Gruppo Gamma Field III GMT

Owners praise the Gruppo Gamma Field III GMT for its look and value, with specific mentions of its sandwich dial and comfortable OEM straps. One owner notes incredible quality for the price across their Gruppo Gamma watches. The watch features a 40mm brushed stainless steel case, box sapphire crystal, and a Seiko NH34A movement with a 41-hour power reserve and stated accuracy of -20~+40 s/day. Some find the lack of a date window a drawback for a GMT, and question its differentiation from other NH34-powered watches. On balance, owners and reviewers find the Gruppo Gamma Field III GMT to be a good value with quality construction for its price point.

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