Side by side

Serica Ref. 8315 Travel ChronometervsDryden Heartlander Solar

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
Heartlander Solar
DrydenHeartlander Solar
MSRP $279

At a glance

13 of 29 specs differ
Diameter
Ref. 8315 Travel Chronometer39mm
Heartlander Solar38mm
Power Reserve
Ref. 8315 Travel Chronometer42h
Heartlander Solar40h
Water Resistance
Ref. 8315 Travel Chronometer200m
Heartlander Solar101m
MSRP
Ref. 8315 Travel Chronometer$2,479
Heartlander Solar$279

Full specifications

Case

6 specs
Category
GMT
Field
Diameter
39mm
38mm
Thickness
12.3mm
11mm
Lug-to-Lug
46.5mm
46mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
101m

Crystal & Dial

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

Movement

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

Pricing

1 specs
MSRP
$2,479
$279

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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.

Dryden Heartlander Solar

The Dryden Heartlander Solar is widely praised for its wearability, with its 38mm case and thin profile making it a versatile, go-anywhere watch. Owners and reviewers highlight its exceptional lume, comfortable president-style bracelet, and compelling $500 price point. The solar power feature is appreciated for its convenience, eliminating the need for winding. Some owners note the 38mm case can feel small on wrists just under seven inches, and one reviewer flags that the prominent crown may irritate some wearers. The use of a Miyota movement is seen as a positive for durability and affordability. On balance, owners and reviewers rate the Dryden Heartlander Solar highly for its excellent wearability and value at the $500 price point.

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