Side by side

Dryden Heartlander SolarvsSpinnaker Dumas GMT

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Heartlander Solar
DrydenHeartlander Solar
MSRP $279
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

9 of 29 specs differ
Diameter
Heartlander Solar38mm
Dumas GMT44mm
Power Reserve
Heartlander Solar40h
Dumas GMT40h
Water Resistance
Heartlander Solar101m
Dumas GMT300m
MSRP
Heartlander Solar$279
Dumas GMT$399

Full specifications

Case

6 specs
Category
Field
GMT
Diameter
38mm
44mm
Thickness
11mm
15mm
Lug-to-Lug
46mm
48mm
Lug Width
20mm
22mm
Water Resistance
101m
300m

Crystal & Dial

1 specs
Dial Color
Black
Blue

Movement

1 specs
Caliber
Seiko NH34A

Pricing

1 specs
MSRP
$279
$399

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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.

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.

Spinnaker Dumas GMT

Owners praise the Spinnaker Dumas GMT's satisfying lume, including on the crown, and good finishing, with one owner finding it wears well on a 17cm wrist. The watch features a Seiko NH34A GMT movement and a blue gradient dial. Reviewers note its 44mm diameter and 209g weight on the bracelet make it unsuitable for smaller wrists.

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