Side by side

Hamilton Jazzmaster AutovsGrand Seiko SLGW004

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

Jazzmaster Auto
HamiltonJazzmaster Auto
MSRP $1,125
SLGW004
Grand SeikoSLGW004
MSRP $30,000

At a glance

10 of 29 specs differ
Diameter
Jazzmaster Auto36mm
SLGW00438.8mm
Power Reserve
Jazzmaster Auto80h
SLGW00480h
Water Resistance
Jazzmaster Auto50m
SLGW00430m
MSRP
Jazzmaster Auto$1,125
SLGW004$30,000

Full specifications

Case

6 specs
Diameter
36mm
38.8mm
Thickness
10mm
10.4mm
Lug-to-Lug
46mm
43.7mm
Lug Width
18mm
19mm
Material
Stainless Steel
Gold
Water Resistance
50m
30m

Crystal & Dial

1 specs
AR Coating
Inner
Yes

Movement

2 specs
Caliber
H-10
9SA4
Type
Automatic
Manual

Pricing

1 specs
MSRP
$1,125
$30,000

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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.

Hamilton Jazzmaster Auto

The Hamilton Jazzmaster Auto is widely praised for its excellent value, clean and uncomplicated design suitable for various occasions, and comfortable wearability, with a 40mm or 42mm case size that is considered unobtrusive. Reviewers highlight its refined H-21 movement, which offers a 60-hour power reserve, and distinctive sunray dials. Overall, owners and reviewers rate the Hamilton Jazzmaster Auto highly for its impressive balance of contemporary style and traditional watchmaking at its price point.

Grand Seiko SLGW004

The Grand Seiko SLGW004 is praised for its elegant, faithful reissue design and impressive technical execution, featuring a new 9SA4 hi-beat manual-winding movement with an 80-hour power reserve and accuracy of -3/+5 seconds per day. Reviewers highlight the sharp case facets, double-signed dial, and beautifully decorated movement visible through the display caseback, along with an enjoyable winding experience. One reviewer noted a desire for better water resistance and expressed a dislike for the etched sapphire case back. Overall, reviewers rate the Grand Seiko SLGW004 highly for its elegant design and technically impressive movement.

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