Side by side

Grand Seiko SLGB003vsGruppo Gamma Field III GMT

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

SLGB003
Grand SeikoSLGB003
MSRP $11,400
Field III GMT
Gruppo GammaField III GMT
MSRP $459

At a glance

13 of 29 specs differ
Diameter
SLGB00337mm
Field III GMT40mm
Power Reserve
SLGB00372h
Field III GMT41h
Water Resistance
SLGB003100m
Field III GMT200m
MSRP
SLGB003$11,400
Field III GMT$459

Full specifications

Case

7 specs
Category
Dress
GMT
Diameter
37mm
40mm
Thickness
11.4mm
14mm
Lug-to-Lug
44.3mm
48.5mm
Lug Width
20mm
22mm
Material
Titanium
Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

1 specs
Lume
None
Super-LumiNova

Movement

4 specs
Caliber
9RB2
Seiko Instruments NH38A
Type
Spring Drive
Automatic
Power Reserve
72h
41h
Complications
None
GMT

Pricing

1 specs
MSRP
$11,400
$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 SLGB003

Grand Seiko SLGB003 owners widely praise its lightness and comfort, with a dial that offers a shifting character in different lighting conditions. Reviewers note its compact case size enhances wearability and versatility across wrist sizes. However, one owner found the dial underwhelming, and another reported a date disc issue with lower numbers not changing correctly. Some question the value proposition at around $10,000, citing the bracelet and dial as potential drawbacks, while others highlight the movement and smaller dimensions as significant positives. On balance, owners rate the Grand Seiko SLGB003 highly for its movement and compact dimensions, despite some reservations about the dial and bracelet.

From video reviewers

The watch's exceptional accuracy is a notable strength, with both reviewers highlighting its precise timekeeping. A weakness is the relatively high price point compared to other Grand Seiko models. Reviewers disagree on the ideal case size, with one reviewer noting it's relatively small at 37mm, while the other doesn't mention case size as a concern.

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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