Side by side

Hamilton American Classic Intra-Matic AutovsGrand Seiko SBGM221

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

American Classic Intra-Matic Auto
HamiltonAmerican Classic Intra-Matic Auto
MSRP $1,275
SBGM221
Grand SeikoSBGM221
MSRP $5,400

At a glance

11 of 29 specs differ
Diameter
American Classic Intra-Matic Auto40mm
SBGM22139.5mm
Power Reserve
American Classic Intra-Matic Auto80h
SBGM22172h
Water Resistance
American Classic Intra-Matic Auto50m
SBGM22130m
MSRP
American Classic Intra-Matic Auto$1,275
SBGM221$5,400

Full specifications

Case

6 specs
Category
Dress
GMT
Diameter
40mm
39.5mm
Thickness
10.95mm
13.7mm
Lug-to-Lug
46mm
46.9mm
Lug Width
20mm
19mm
Water Resistance
50m
30m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
White
Black

Movement

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

Pricing

1 specs
MSRP
$1,275
$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 American Classic Intra-Matic Auto

Owners widely praise the Hamilton American Classic Intra-Matic Auto for its thinness, perfect size, and vintage charm, with some preferring its contrasting tachymeter and larger subdials. One owner notes the rotor can be quite loud. The Hamilton American Classic Intra-Matic Auto is considered by some to be the best watch with a 2892 movement for the price. Overall, owners rate the Hamilton American Classic Intra-Matic Auto highly for its vintage charm and wearability at the price.

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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