Side by side

Grand Seiko SLGA009vsZelos Thresher 44

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

SLGA009
Grand SeikoSLGA009
MSRP $9,800
Thresher 44
ZelosThresher 44
MSRP $549

At a glance

13 of 29 specs differ
Diameter
SLGA00940mm
Thresher 4444mm
Power Reserve
SLGA009120h
Thresher 4440h
Water Resistance
SLGA009100m
Thresher 44500m
MSRP
SLGA009$9,800
Thresher 44$549

Full specifications

Case

6 specs
Category
Dress
Diver
Diameter
40mm
44mm
Thickness
11.8mm
12.8mm
Lug-to-Lug
47.9mm
44mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
500m

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Yes
Inner
Dial Color
Black
Grey

Movement

3 specs
Caliber
9RA2
Miyota 9015
Type
Spring Drive
Automatic
Power Reserve
120h
40h

Pricing

1 specs
MSRP
$9,800
$549

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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.

Zelos Thresher 44

Owners widely praise the Zelos Thresher 44, with one owner noting its finish has proven remarkably scratch-resistant. However, one owner found the finishing on their hammered grey variant not as well done as expected. The Zelos Thresher 44 with an agate dial sold out in 90 seconds, with one owner receiving theirs and noting the bracelet was fully wrapped. Overall, owners rate the Zelos Thresher 44 highly for its desirability and scratch-resistant finish.

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