Side by side

Grand Seiko SLGA009vsGruppo Gamma Field III GMT Date

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

SLGA009
Grand SeikoSLGA009
MSRP $9,800
Field III GMT Date
Gruppo GammaField III GMT Date
MSRP $459

At a glance

10 of 29 specs differ
Diameter
SLGA00940mm
Field III GMT Date40mm
Power Reserve
SLGA009120h
Field III GMT Date41h
Water Resistance
SLGA009100m
Field III GMT Date200m
MSRP
SLGA009$9,800
Field III GMT Date$459

Full specifications

Case

4 specs
Category
Dress
GMT
Thickness
11.8mm
14mm
Lug-to-Lug
47.9mm
48.5mm
Water Resistance
100m
200m

Crystal & Dial

1 specs
Lume
None
Super-LumiNova

Movement

4 specs
Caliber
9RA2
Seiko Instruments NH38A
Type
Spring Drive
Automatic
Power Reserve
120h
41h
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$9,800
$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 SLGA009

The Grand Seiko SLGA009 "White Birch II" is praised for its Spring Drive Caliber 9RA2 movement, offering exceptional accuracy of ±0.5 seconds per day and a 120-hour power reserve. Reviewers highlight its refined dial texture, inspired by Shinshu forests, and the Series 9 design with a frost-finished movement. The watch features a 40mm stainless steel case and a power reserve indicator on the movement bridge. However, its price of $8,600 to $9,100 USD is noted as relatively expensive, reflecting Grand Seiko's increasing price points. Overall, reviewers consider the Grand Seiko SLGA009 a highly refined timepiece, with its advanced Spring Drive movement and aesthetic improvements being key strengths.

Gruppo Gamma Field III GMT Date

Owners widely praise the Gruppo Gamma Field III GMT Date for its awesome looks, quality, and good value. The watch features a 40mm brushed 316L stainless steel case, box sapphire crystal, and 200m water resistance, powered by a Seiko NH34A movement. Some reviewers note the NH34A movement's accuracy can range from -20~+40 seconds per day, though one reviewer reported +5 seconds per day with a regulated movement. The dial's dense layout with Arabic numerals can be overwhelming for some, and one owner found the size unsuitable for smaller wrists. On balance, owners rate the Gruppo Gamma Field III GMT Date highly for its impressive finishing and toolish design at its price point.

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