Side by side

Citizen Atomic Perpetual A-TvsGruppo Gamma Peacemaker Bronze

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

Peacemaker Bronze
Gruppo GammaPeacemaker Bronze
MSRP $990

At a glance

13 of 29 specs differ
Diameter
Atomic Perpetual A-T41mm
Peacemaker Bronze43mm
Power Reserve
Atomic Perpetual A-T40h
Peacemaker Bronze42h
Water Resistance
Atomic Perpetual A-T200m
Peacemaker Bronze200m
MSRP
Atomic Perpetual A-T
Peacemaker Bronze$990

Full specifications

Case

6 specs
Category
Pilot
Diver
Diameter
41mm
43mm
Thickness
12mm
13mm
Lug-to-Lug
46mm
52.5mm
Lug Width
20mm
24mm
Material
Stainless Steel
Bronze

Crystal & Dial

3 specs
AR Coating
Underside
Yes
Dial Color
Blue
Fume Green
Lume
None
Super-LumiNova

Movement

3 specs
Caliber
H800
ETA 2824-2
Type
Solar
Automatic
Power Reserve
40h
42h

Pricing

1 specs
MSRP
$990

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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.

Gruppo Gamma Peacemaker Bronze

Owners widely praise the Gruppo Gamma Peacemaker Bronze for its strong vintage aesthetic, featuring attractive sandwich dials and high-domed or box-shaped sapphire crystals. The bronze case is noted for developing patina and the watch is generally considered a good value. Accuracy figures vary, with one report of approximately +10 seconds per day and others stating +/-12 seconds per day. Power reserves range from 38 to 45 hours depending on the movement. One owner describes the winding action as a "dream." On balance, owners consider the Gruppo Gamma Peacemaker Bronze a well-built watch offering significant vintage appeal and value.

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