Side by side

Serica Ref. 8315 Travel ChronometervsHELM Miyako

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
Miyako
HELMMiyako
MSRP $375

At a glance

12 of 29 specs differ
Diameter
Ref. 8315 Travel Chronometer39mm
Miyako40mm
Power Reserve
Ref. 8315 Travel Chronometer42h
Miyako42h
Water Resistance
Ref. 8315 Travel Chronometer200m
Miyako200m
MSRP
Ref. 8315 Travel Chronometer$2,479
Miyako$375

Full specifications

Case

5 specs
Category
GMT
Diver
Diameter
39mm
40mm
Thickness
12.3mm
13.75mm
Lug-to-Lug
46.5mm
47mm
Lug Width
20mm
22mm

Crystal & Dial

2 specs
Crystal Shape
Flat
Double-Domed
Dial Color
GMT - Enamel Black
Gray

Movement

4 specs
Caliber
SOPROD C125 COSC
Power Reserve
42h
42h
Jewels
25
24
Complications
GMT, COSC
None

Pricing

1 specs
MSRP
$2,479
$375

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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.

HELM Miyako

HELM Miyako owners widely praise its exceptional value and quality, with multiple reports highlighting its stunning appearance and dial details. The watch is noted for its excellent accuracy, with figures around +1.5 to +2 seconds per day. One owner found the HELM Miyako to be tough and versatile, fitting well on a 6.6-inch wrist. Overall, owners consider the HELM Miyako an amazing value and a great watch, worth the wait for its availability.

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