Side by side

Grand Seiko SLGB006vsGruppo Gamma Field III GMT

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

SLGB006
Grand SeikoSLGB006
MSRP $43,600
Field III GMT
Gruppo GammaField III GMT
MSRP $459

At a glance

13 of 29 specs differ
Diameter
SLGB00637mm
Field III GMT40mm
Power Reserve
SLGB00672h
Field III GMT41h
Water Resistance
SLGB006100m
Field III GMT200m
MSRP
SLGB006$43,600
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
Gold
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
$43,600
$459

Follow this matchup

Get a note when Grand Seiko SLGB006 vs Gruppo Gamma Field III GMT gets more votes, a community discussion, or a price drop. No account needed.

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 SLGB006

The Grand Seiko SLGB006 is praised for its stunning "Ice Forest at Dawn" textured dial and 37mm 18k yellow gold case, with some finding it gorgeous enough to wear even if they don't typically prefer gold watches. It houses the Spring Drive Calibre 9RB2 movement, noted for its "Ultra Fine Accuracy" of ±20 seconds per year and a 72-hour power reserve. However, the Grand Seiko SLGB006 is considered expensive by some, with a price of $43,600 or €44,700 for its limited production of 80 pieces, and one owner suggests alternatives offer a more refined feel. The watch lacks the Evolution 9 micro-adjustment system. Overall, owners and reviewers highlight the Grand Seiko SLGB006's striking dial and movement accuracy as its primary strengths, despite its high price point and limited availability.

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.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.