Side by side

Citizen Atomic Perpetual A-TvsGrand Seiko SLGW007

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

SLGW007
Grand SeikoSLGW007
MSRP $10,000

At a glance

11 of 29 specs differ
Diameter
Atomic Perpetual A-T41mm
SLGW00738.6mm
Power Reserve
Atomic Perpetual A-T40h
SLGW00780h
Water Resistance
Atomic Perpetual A-T200m
SLGW00730m
MSRP
Atomic Perpetual A-T
SLGW007$10,000

Full specifications

Case

5 specs
Category
Pilot
Dress
Diameter
41mm
38.6mm
Thickness
12mm
9.95mm
Lug-to-Lug
46mm
45mm
Water Resistance
200m
30m

Crystal & Dial

2 specs
AR Coating
Underside
Yes
Dial Color
Blue
Black

Movement

3 specs
Caliber
H800
9SA4
Type
Solar
Manual
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$10,000

Follow this matchup

Get a note when Citizen Atomic Perpetual A-T vs Grand Seiko SLGW007 gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Citizen Atomic Perpetual A-T

Owners widely praise the Citizen Atomic Perpetual A-T for its handsome appearance, solid fit and finish, comfortable bracelet, and intuitive world time function. Its perpetual calendar and atomic timekeeping are highlighted as major conveniences, maintaining accuracy within 0.5 seconds even without syncing, and owners appreciate its "set & forget" nature and solar charging. The watch features a modest, stylish blue dial with delicate design details and a clutter-free layout, along with high water resistance without a screw-down crown and light titanium construction. Some find the dial unnecessarily busy, and its time zone functionality is noted as less useful outside the US, with atomic sync being less compelling below the equator. Accuracy is reported as +/-15 seconds per month if not syncing, but +/-0 seconds if it syncs via radio signal. Some find the watch a bit on the large side.

Grand Seiko SLGW007

Grand Seiko SLGW007 owners and reviewers praise its compact 38.6mm x 9.95mm Evolution 9 case and the textured "Moonlit Birch" dial, described as moody, elegant, and captivating. The technically credible 9SA4 hand-wound movement with an 80-hour power reserve is also highlighted. Its 30m water resistance and lack of lume are noted as appropriate for a dress watch. Overall, owners and reviewers rate the Grand Seiko SLGW007 highly for its refined case, captivating dial, and updated movement.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.