Side by side

Serica Ref. 8315 Travel ChronometervsSeestern Sub 300 V4

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
Sub 300 V4
SeesternSub 300 V4
MSRP $10

At a glance

16 of 29 specs differ
Diameter
Ref. 8315 Travel Chronometer39mm
Sub 300 V442mm
Power Reserve
Ref. 8315 Travel Chronometer42h
Sub 300 V441h
Water Resistance
Ref. 8315 Travel Chronometer200m
Sub 300 V4200m
MSRP
Ref. 8315 Travel Chronometer$2,479
Sub 300 V4$10

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
39mm
42mm
Thickness
12.3mm
13mm
Lug-to-Lug
46.5mm
46mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Brushed + Sandblasted
Caseback
Solid
Solid screw-down

Crystal & Dial

3 specs
AR Coating
Yes
Underside
Dial Color
GMT - Enamel Black
Orange
Lume
Super-LumiNova
Japan Lume (blue glow)

Movement

5 specs
Caliber
SOPROD C125 COSC
Seiko NH35A
Beat Rate
28,800 vph
21,600 vph
Power Reserve
42h
41h
Jewels
25
24
Complications
GMT, COSC
GMT, Date

Pricing

1 specs
MSRP
$2,479
$10

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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.

Seestern Sub 300 V4

Owners widely praise the Seestern Sub 300 V4 for its terrific fit and finish and surprising little touches at its $179 price, noting top-notch case, dial, bezel, and crystal. The bracelet is considered nice enough for the price point, and the watch is powered by the solid and reliable Seiko NH35 movement. Some owners report that the polished sides of the case show signs of wear. Overall, owners rate the Seestern Sub 300 V4 highly for its excellent case, dial, and bezel finishing at the price.

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