Side by side

Citizen Atomic Perpetual A-TvsHELM Komodo

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

Komodo
HELMKomodo
MSRP $295

At a glance

15 of 29 specs differ
Diameter
Atomic Perpetual A-T41mm
Komodo40mm
Power Reserve
Atomic Perpetual A-T40h
Komodo40h
Water Resistance
Atomic Perpetual A-T200m
Komodo300m
MSRP
Atomic Perpetual A-T
Komodo$295

Full specifications

Case

5 specs
Category
Pilot
Diver
Diameter
41mm
40mm
Thickness
12mm
15.5mm
Lug-to-Lug
46mm
47mm
Water Resistance
200m
300m

Crystal & Dial

4 specs
Crystal Shape
Flat
Double-Domed
AR Coating
Underside
Yes
Dial Color
Blue
Black
Lume
None
Super-LumiNova

Movement

5 specs
Caliber
H800
Seiko Instruments NH35
Type
Solar
Automatic
Power Reserve
40h
40h
Jewels
25
24
Complications
None
Date

Pricing

1 specs
MSRP
$295

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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.

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.

HELM Komodo

The HELM Komodo is widely praised for its excellent build quality, top-notch case finishing, clear double-domed sapphire crystal, wonderfully executed dial, and substantial lume, with reviewers noting its ISO 6425 compliance and 300m water resistance. Owners report a snappy 120-click bezel and appreciate the depth, detail, and finishing for a tool diver at its price point. Some owners find the 15.2mm to 15.5mm height makes the HELM Komodo feel thick and hefty, and the bezel ridges are noted as somewhat uncomfortable to turn, while the clasp design is also flagged as a drawback. On balance, owners and reviewers rate the HELM Komodo highly for its exceptional finishing and lume at its sub-$300 price point.

From video reviewers

The HELM Komodo's double domed sapphire crystal offers excellent optical clarity and minimal distortion. A notable weakness is its limited availability, making it harder to get than some other luxury watches. Reviewers disagree on the watch's lug-to-lug fit, with one reviewer noting it may not suit those with smaller wrists, while another reviewer does not mention this as a concern.

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