Side by side

Hamilton Jazzmaster Performer AutovsGrand Seiko SBGM221

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

Jazzmaster Performer Auto
HamiltonJazzmaster Performer Auto
MSRP $1,245
SBGM221
Grand SeikoSBGM221
MSRP $5,400

At a glance

11 of 29 specs differ
Diameter
Jazzmaster Performer Auto34mm
SBGM22139.5mm
Power Reserve
Jazzmaster Performer Auto80h
SBGM22172h
Water Resistance
Jazzmaster Performer Auto100m
SBGM22130m
MSRP
Jazzmaster Performer Auto$1,245
SBGM221$5,400

Full specifications

Case

6 specs
Category
Dress
GMT
Diameter
34mm
39.5mm
Thickness
12mm
13.7mm
Lug-to-Lug
46mm
46.9mm
Lug Width
18mm
19mm
Water Resistance
100m
30m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Blue
Black

Movement

2 specs
Caliber
H-10
9S66
Power Reserve
80h
72h

Pricing

1 specs
MSRP
$1,245
$5,400

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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 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 SBGM221

Grand Seiko SBGM221 is widely praised for its exceptional dial finish, highly polished hands and indices, and elegant design. Owners consistently highlight the stunning craftsmanship, with specific mention of the up to 11 hand-polished facets on its rectangular markers. The reliable 9S66 movement is noted for its 72-hour power reserve and true GMT functionality, tested beyond Chronometer specifications. Some enthusiasts desire a bidirectional 24-hour bezel, which the Grand Seiko SBGM221 lacks, and its 13.7mm thickness and 19mm lug width are noted as potential limitations. On balance, owners rate the Grand Seiko SBGM221 highly for its exquisite finishing and elegant, comfortable design.

From video reviewers

The SBGM221 is praised for its value within the Grand Seiko lineup. The lug width is cited as a weakness.

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