Side by side

Grand Seiko SBGY002vsGruppo Gamma Field III GMT

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

SBGY002
Grand SeikoSBGY002
MSRP $30,000
Field III GMT
Gruppo GammaField III GMT
MSRP $459

At a glance

13 of 29 specs differ
Diameter
SBGY00238.5mm
Field III GMT40mm
Power Reserve
SBGY00272h
Field III GMT41h
Water Resistance
SBGY00230m
Field III GMT200m
MSRP
SBGY002$30,000
Field III GMT$459

Full specifications

Case

7 specs
Category
Dress
GMT
Diameter
38.5mm
40mm
Thickness
10.2mm
14mm
Lug-to-Lug
43.7mm
48.5mm
Lug Width
19mm
22mm
Material
Gold
Stainless Steel
Water Resistance
30m
200m

Crystal & Dial

1 specs
Lume
None
Super-LumiNova

Movement

4 specs
Caliber
9R31
Seiko Instruments NH38A
Type
Spring Drive
Automatic
Power Reserve
72h
41h
Complications
None
GMT

Pricing

1 specs
MSRP
$30,000
$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 SBGY002

Owners and reviewers widely praise the Grand Seiko SBGY002 for its impeccable design, finishing, and attention to detail, highlighting its slender 38.5mm case and thin profile for comfortable wear. The Spring Drive movement, calibre 9R31, is noted for its accuracy within one second per day and a 72-hour power reserve, with one owner appreciating the movement's finishing and the watch's overall class and simplicity, preferring the power reserve indicator on the case back. The Snowflake dial's appearance changes with light, often appearing less yellow than expected, and a matte blue strap can make the SBGY002 more casual for daily wear, complementing the seconds hand. The Grand Seiko SBGY002 is considered a home run for its combination of iconic dial and dress case, though its yellow gold construction and price point position it differently than steel alternatives.

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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