Side by side

Serica Ref. 8315 Travel ChronometervsHamilton Khaki Aviation Pilot Auto

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

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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.

Hamilton Khaki Aviation Pilot Auto

The Hamilton Khaki Aviation Pilot Auto is widely praised for its legibility and value, with reviewers and owners highlighting its clear dial design, bold numerals, and effective Super-LumiNova. The 80-hour power reserve from the H-10 caliber is a consistent positive point. Owners and reviewers find the 36mm and 39mm sizes to be comfortable and versatile for everyday wear, though some find the hands on the 36mm model disproportionate or requiring adjustment. The watch offers 100m water resistance. On balance, the Hamilton Khaki Aviation Pilot Auto is highly regarded for its legibility, substantial power reserve, and everyday wearability at its price point.

From video reviewers

The 36mm case size makes the pilot's watch aesthetic more accessible. The watch offers 100 meters of water resistance. Reviewers expressed hesitation about long-term appeal or missing features.

At a glance

13 of 29 specs differ
Diameter
Ref. 8315 Travel Chronometer39mm
Khaki Aviation Pilot Auto36mm
Power Reserve
Ref. 8315 Travel Chronometer42h
Khaki Aviation Pilot Auto80h
Water Resistance
Ref. 8315 Travel Chronometer200m
Khaki Aviation Pilot Auto100m
MSRP
Ref. 8315 Travel Chronometer$2,479
Khaki Aviation Pilot Auto$1,125

Full specifications

Case

6 specs
Category
GMT
Pilot
Diameter
39mm
36mm
Thickness
12.3mm
11.15mm
Lug-to-Lug
46.5mm
0mm
Lug Width
20mm
18mm
Water Resistance
200m
100m

Crystal & Dial

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

Movement

3 specs
Caliber
Soprod C125
Hamilton H-10
Power Reserve
42h
80h
Complications
GMT, COSC
None

Pricing

1 specs
MSRP
$2,479
$1,125
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