Side by side

Serica Ref. 8315 Travel ChronometervsTudor Black Bay GMT S&G

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
Black Bay GMT S&G
TudorBlack Bay GMT S&G
MSRP $5,825

At a glance

19 of 29 specs differ
Diameter
Ref. 8315 Travel Chronometer39mm
Black Bay GMT S&G41mm
Power Reserve
Ref. 8315 Travel Chronometer42h
Black Bay GMT S&G70h
Water Resistance
Ref. 8315 Travel Chronometer200m
Black Bay GMT S&G200m
MSRP
Ref. 8315 Travel Chronometer$2,479
Black Bay GMT S&G$5,825

Full specifications

Case

6 specs
Diameter
39mm
41mm
Thickness
12.3mm
14.6mm
Lug-to-Lug
46.5mm
46mm
Lug Width
20mm
22mm
Finish
Brushed and polished
Polished + Satin
Caseback
Solid
Engraved

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Yes
Dial Color
GMT - Enamel Black
Black
Indices
Applied
Lume
Super-LumiNova
None

Movement

7 specs
Caliber
SOPROD C125 COSC
MT5652
Beat Rate
28,800 vph
0 vph
Power Reserve
42h
70h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
GMT, COSC
GMT

Pricing

1 specs
MSRP
$2,479
$5,825

Follow this matchup

Get a note when Serica Ref. 8315 Travel Chronometer vs Tudor Black Bay GMT S&G gets more votes, a community discussion, or a price drop. No account needed.

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.

Tudor Black Bay GMT S&G

Owners widely praise the Tudor Black Bay GMT S&G for its muted gold tone and cohesive design, with reviewers noting its value proposition around $5,000-$5,300, powered by an in-house GMT movement. Some owners find the 41mm case and weight make it feel large on the wrist, while reviewers are split on wearability and the execution of the "Root Beer" aesthetic. Concerns are raised about the aluminum bezel insert and initial wear on the gold plating at its price point, though some see the gold-capped bracelet and crown as understandable compromises. Overall, owners and reviewers rate the Tudor Black Bay GMT S&G highly for its unique aesthetic and strong value, with the cohesive design and GMT functionality being key draws.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.