Side by side

Serica Ref. 8315 Travel ChronometervsFortis Marinemaster M-40

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
Marinemaster M-40
FortisMarinemaster M-40
MSRP $3,520

At a glance

14 of 29 specs differ
Diameter
Ref. 8315 Travel Chronometer39mm
Marinemaster M-4040mm
Power Reserve
Ref. 8315 Travel Chronometer42h
Marinemaster M-4038h
Water Resistance
Ref. 8315 Travel Chronometer200m
Marinemaster M-40300m
MSRP
Ref. 8315 Travel Chronometer$2,479
Marinemaster M-40$3,520

Full specifications

Case

6 specs
Category
GMT
Diver
Diameter
39mm
40mm
Thickness
12.3mm
13mm
Lug-to-Lug
46.5mm
Lug Width
20mm
21mm
Water Resistance
200m
300m

Crystal & Dial

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

Movement

4 specs
Caliber
SOPROD C125 COSC
Sellita SW220-1
Power Reserve
42h
38h
Jewels
25
26
Complications
GMT, COSC
None

Pricing

1 specs
MSRP
$2,479
$3,520

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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.

Fortis Marinemaster M-40

Owners praise the Fortis Amber Orange for its gorgeous appearance and strong wrist presence, noting its crazy lume and 70-hour power reserve. The Doxa SUB 300T, described as having a superb, eccentric design with a highly legible dial and functional no-decompression bezel, uses an ETA 2824-2 movement. However, the SUB 300T's 42.5mm case wears large and its 14mm thickness is not ideal for dress shirts, though it boasts 1,200m water resistance. On balance, owners appreciate the Fortis Amber Orange for its striking aesthetics and impressive lume.

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