Side by side

Citizen Atomic Perpetual A-TvsBaltic Hermétique Summer

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

Hermétique Summer
BalticHermétique Summer
MSRP $594

At a glance

11 of 29 specs differ
Diameter
Atomic Perpetual A-T41mm
Hermétique Summer37mm
Power Reserve
Atomic Perpetual A-T40h
Hermétique Summer42h
Water Resistance
Atomic Perpetual A-T200m
Hermétique Summer150m
MSRP
Atomic Perpetual A-T
Hermétique Summer$594

Full specifications

Case

4 specs
Category
Pilot
Dress
Diameter
41mm
37mm
Thickness
12mm
10.8mm
Water Resistance
200m
150m

Crystal & Dial

3 specs
AR Coating
Underside
Yes
Dial Color
Blue
Orange
Lume
None
BGW9

Movement

3 specs
Caliber
H800
Miyota 9039
Type
Solar
Automatic
Power Reserve
40h
42h

Pricing

1 specs
MSRP
$594

Follow this matchup

Get a note when Citizen Atomic Perpetual A-T vs Baltic Hermétique Summer 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.

Baltic Hermétique Summer

Reviewers highlight the Baltic Hermétique Summer's compact 37mm brushed case with a polished bezel and 150 meters of water resistance. The watch features glossy dials in bright colors with raised BGW9 Super-LumiNova indices that emit a strong blue glow, and it comes with color-matched FKM rubber straps or Baltic bracelets. The Miyota 9039 movement supports hacking and hand-winding. However, the recessed crown can be difficult to manipulate if fingernails are not long enough, and the movement has a stated accuracy of -10/+30 seconds per day. Overall, reviewers praise the Baltic Hermétique Summer for its well-balanced, colorful dials and strong lume at an affordable price point.

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.