Side by side

Serica Ref. 8315 Travel ChronometervsCitizen Atomic Perpetual A-T

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

Ref. 8315 Travel Chronometer
SericaRef. 8315 Travel Chronometer
MSRP $2,479

At a glance

12 of 29 specs differ
Diameter
Ref. 8315 Travel Chronometer39mm
Atomic Perpetual A-T41mm
Power Reserve
Ref. 8315 Travel Chronometer42h
Atomic Perpetual A-T40h
Water Resistance
Ref. 8315 Travel Chronometer200m
Atomic Perpetual A-T200m
MSRP
Ref. 8315 Travel Chronometer$2,479
Atomic Perpetual A-T

Full specifications

Case

4 specs
Category
GMT
Pilot
Diameter
39mm
41mm
Thickness
12.3mm
12mm
Lug-to-Lug
46.5mm
46mm

Crystal & Dial

3 specs
AR Coating
Yes
Underside
Dial Color
GMT - Enamel Black
Blue
Lume
Super-LumiNova
None

Movement

4 specs
Caliber
SOPROD C125 COSC
H800
Type
Automatic
Solar
Power Reserve
42h
40h
Complications
GMT, COSC
None

Pricing

1 specs
MSRP
$2,479

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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.

Serica Ref. 8315 Travel Chronometer

Serica Ref. 8315 Travel Chronometer owners and reviewers praise its neo-vintage aesthetic, comfortable 39mm size, and unique day/night bezel design. Some find the lack of a date function a drawback, and the mirrored 12-hour bezel with AM/PM text is considered less practical than a traditional 24-hour bezel for time zone reading, with the lollipop-style 24-hour hand and asymmetrical bezel design also noted as potentially confusing. The watch is powered by a COSC-certified Soprod C125 movement with a 40-hour power reserve. One owner noted import duties and that the strap's aggressive taper required using the last hole for a proper fit. On balance, Serica Ref. 8315 Travel Chronometer is appreciated for its distinctive design and wearability, though its GMT functionality and bezel design are points of contention for some.

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.

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