Side by side

Serica Ref. 8315 Travel ChronometervsZelos Helmsman 3

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
Helmsman 3
ZelosHelmsman 3
MSRP $529

At a glance

13 of 29 specs differ
Diameter
Ref. 8315 Travel Chronometer39mm
Helmsman 340mm
Power Reserve
Ref. 8315 Travel Chronometer42h
Helmsman 340h
Water Resistance
Ref. 8315 Travel Chronometer200m
Helmsman 3200m
MSRP
Ref. 8315 Travel Chronometer$2,479
Helmsman 3$529

Full specifications

Case

5 specs
Category
GMT
Diver
Diameter
39mm
40mm
Thickness
12.3mm
11.5mm
Lug-to-Lug
46.5mm
40mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Yes
Inner
Dial Color
GMT - Enamel Black
SS - Frost
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
SOPROD C125 COSC
Miyota 9015
Power Reserve
42h
40h
Complications
GMT, COSC
None

Pricing

1 specs
MSRP
$2,479
$529

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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.

Zelos Helmsman 3

Owners widely praise the Zelos Helmsman 3 for its exceptional finishing and polishing on the titanium case, with some noting it feels nicer than previous models. The unique Titanium Crystalline Dial and Damascus Titanium dial are frequently highlighted as aesthetically pleasing and head-turning features, especially considering the price point. The brushed beads of rice bracelet is described as fitting well, and the on-the-fly clasp is considered amazing. Lume is also noted as great, with lumed crowns being a positive observation. However, some owners report the watch can feel top-heavy with sharp edges, making it uncertain as a daily driver for some. The meteorite bezel is seen by one owner as not adding significant value, and the stock strap's keepers and stitching were considered to detract from the watch's appearance.

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