Side by side

Hamilton Jazzmaster Performer AutovsGrand Seiko SBGA375

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

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 Performer Auto

Owners praise the Hamilton Jazzmaster Performer Auto for its stylish looks, clean case finishing, and 80-hour power reserve, making it a good option for a first Swiss watch. Some owners note the 34mm size might be small and suggest it is a bit pricey. One owner finds the flatter crystal reduces light reflection and perceived chunkiness, and it sits well on smaller wrists due to a reasonable lug-to-lug distance. Overall, owners rate the Hamilton Jazzmaster Performer Auto highly for its blend of brand reputation, aesthetics, and practical features at its price point.

Grand Seiko SBGA375

Grand Seiko SBGA375 owners praise its classic, subtle design and the engineering of its Spring Drive movement, with one noting it "does not fail to deliver what they are known for." The dial offers good legibility, with polished side bevels on the hour markers catching light well. However, one owner scuffed the bezel within a week, and another questioned if a lug was missing. Overall, owners rate the Grand Seiko SBGA375 highly for its refined design and movement engineering, signaling discerning taste.

From video reviewers

The Spring Drive movement's smooth sweep is a key strength. The bracelet's taper and clasp were cited as areas for improvement.

At a glance

10 of 29 specs differ
Diameter
Jazzmaster Performer Auto34mm
SBGA37540mm
Power Reserve
Jazzmaster Performer Auto80h
SBGA37572h
Water Resistance
Jazzmaster Performer Auto100m
SBGA375100m
MSRP
Jazzmaster Performer Auto$1,245
SBGA375$5,600

Full specifications

Case

4 specs
Diameter
34mm
40mm
Thickness
0mm
12.5mm
Lug-to-Lug
0mm
46.2mm
Lug Width
18mm
19mm

Crystal & Dial

2 specs
AR Coating
Yes
Dial Color
Blue

Movement

3 specs
Caliber
H-10
9R65
Type
Automatic
Spring Drive
Power Reserve
80h
72h

Pricing

1 specs
MSRP
$1,245
$5,600
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