Side by side

Grand Seiko SLGB023vsZelos Thresher 44

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

SLGB023
Grand SeikoSLGB023
MSRP $12,400
Thresher 44
ZelosThresher 44
MSRP $549

At a glance

13 of 29 specs differ
Diameter
SLGB02340.8mm
Thresher 4444mm
Power Reserve
SLGB02372h
Thresher 4440h
Water Resistance
SLGB023300m
Thresher 44500m
MSRP
SLGB023$12,400
Thresher 44$549

Full specifications

Case

6 specs
Diameter
40.8mm
44mm
Thickness
12.9mm
12.8mm
Lug-to-Lug
48.5mm
44mm
Lug Width
21mm
22mm
Material
Titanium
316L Stainless Steel
Water Resistance
300m
500m

Crystal & Dial

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

Movement

3 specs
Caliber
9RB1
Miyota 9015
Type
Spring Drive
Automatic
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$12,400
$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 SLGB023

Owners and reviewers widely praise the Grand Seiko SLGB023 for its comfortable 40.8mm titanium case and the smooth winding feel of its Spring Drive 9RB1 movement. The dial's gradient blue "ushio" motif is a highlight, though some reviewers note the bezel's fully lumed scale as a missed opportunity. Enthusiasts are divided on the power reserve indicator's placement and the design of the hour and minute hands. Overall, owners and reviewers rate the Grand Seiko SLGB023 highly for its comfortable titanium case and the refined Spring Drive movement.

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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