Side by side

Hamilton American Classic Boulton Small Second Quartz MvsGrand Seiko SBGP009

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

SBGP009
Grand SeikoSBGP009
MSRP $3,100

At a glance

9 of 29 specs differ
Diameter
American Classic Boulton Small Second Quartz M24mm
SBGP00940mm
Power Reserve
American Classic Boulton Small Second Quartz M40h
SBGP00940h
Water Resistance
American Classic Boulton Small Second Quartz M50m
SBGP009100m
MSRP
American Classic Boulton Small Second Quartz M$795
SBGP009$3,100

Full specifications

Case

5 specs
Diameter
24mm
40mm
Thickness
8.64mm
10.6mm
Lug-to-Lug
46mm
47mm
Lug Width
16mm
20mm
Water Resistance
50m
100m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
White
Black

Movement

1 specs
Caliber
980.163
9F85

Pricing

1 specs
MSRP
$795
$3,100

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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 Boulton Small Second Quartz M

Owners widely praise the Hamilton American Classic Boulton Small Second Quartz M as a stunning and underrated dress watch, with one owner even preferring it to the Cartier Tank. Reviewers highlight the quartz movement's smooth winding, hacking seconds, and easy syncing, alongside appreciation for the absence of a date complication and the curved case design. The watch retails for $500-$600 USD. Overall, owners and reviewers rate the Hamilton American Classic Boulton Small Second Quartz M highly for its elegant Art Deco design and practical quartz movement features.

Grand Seiko SBGP009

Grand Seiko SBGP009 owners note its "normal quartz" movement, and one owner criticizes the bracelet for lacking a taper. One owner cites a 40-year-old Seiko quartz watch that has only required battery changes as evidence of the reliability of Grand Seiko's quartz movements. On balance, owners value the Grand Seiko SBGP009 for its perceived long-term reliability.

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