Side by side

Serica Ref. 8315 Travel ChronometervsCitizen Promaster Sikorsky

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
Promaster Sikorsky
CitizenPromaster Sikorsky
MSRP $469

At a glance

14 of 29 specs differ
Diameter
Ref. 8315 Travel Chronometer39mm
Promaster Sikorsky42.4mm
Power Reserve
Ref. 8315 Travel Chronometer42h
Promaster Sikorsky40h
Water Resistance
Ref. 8315 Travel Chronometer200m
Promaster Sikorsky200m
MSRP
Ref. 8315 Travel Chronometer$2,479
Promaster Sikorsky$469

Full specifications

Case

5 specs
Category
GMT
Pilot
Diameter
39mm
42.4mm
Thickness
12.3mm
12mm
Lug-to-Lug
46.5mm
46mm
Lug Width
20mm
22mm

Crystal & Dial

4 specs
Crystal
Sapphire
Mineral
AR Coating
Yes
Inner
Dial Color
GMT - Enamel Black
Grey
Lume
Super-LumiNova
None

Movement

4 specs
Caliber
SOPROD C125 COSC
B877
Type
Automatic
Solar
Power Reserve
42h
40h
Complications
GMT, COSC
None

Pricing

1 specs
MSRP
$2,479
$469

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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 Promaster Sikorsky

The Citizen Promaster Sikorsky is a large 46mm watch honoring the S-92 helicopter, featuring a busy dial with red, white, blue, and yellow accents, and helicopter blade-shaped hands. It houses a solar-powered U680 movement with atomic time syncing. On balance, owners find the Citizen Promaster Sikorsky to be a unique, albeit cluttered, limited edition timepiece.

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