Side by side

Dryden Heartlander SolarvsGrand Seiko SLGB023

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

Heartlander Solar
DrydenHeartlander Solar
MSRP $279
SLGB023
Grand SeikoSLGB023
MSRP $12,400

At a glance

12 of 29 specs differ
Diameter
Heartlander Solar38mm
SLGB02340.8mm
Power Reserve
Heartlander Solar40h
SLGB02372h
Water Resistance
Heartlander Solar101m
SLGB023300m
MSRP
Heartlander Solar$279
SLGB023$12,400

Full specifications

Case

7 specs
Category
Field
Diver
Diameter
38mm
40.8mm
Thickness
11mm
12.9mm
Lug-to-Lug
46mm
48.5mm
Lug Width
20mm
21mm
Material
316L Stainless Steel
Titanium
Water Resistance
101m
300m

Crystal & Dial

1 specs
AR Coating
Inner
Yes

Movement

3 specs
Caliber
9RB1
Type
Automatic
Spring Drive
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$279
$12,400

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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.

Grand Seiko SLGB023

Owners and reviewers widely praise the Grand Seiko SLGB023 for its comfortable 40.8mm titanium case and the smooth winding feel of its Spring Drive 9RB1 movement. The dial's gradient blue "ushio" motif is a highlight, though some reviewers note the bezel's fully lumed scale as a missed opportunity. Enthusiasts are divided on the power reserve indicator's placement and the design of the hour and minute hands. Overall, owners and reviewers rate the Grand Seiko SLGB023 highly for its comfortable titanium case and the refined Spring Drive movement.

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