Side by side

Dryden Heartlander AutomaticvsGrand Seiko SLGB023

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

Heartlander Automatic
DrydenHeartlander Automatic
MSRP $600
SLGB023
Grand SeikoSLGB023
MSRP $12,400

At a glance

14 of 29 specs differ
Diameter
Heartlander Automatic38mm
SLGB02340.8mm
Power Reserve
Heartlander Automatic40h
SLGB02372h
Water Resistance
Heartlander Automatic101m
SLGB023300m
MSRP
Heartlander Automatic$600
SLGB023$12,400

Full specifications

Case

7 specs
Category
Field
Diver
Diameter
38mm
40.8mm
Thickness
11.2mm
12.9mm
Lug-to-Lug
46mm
48.5mm
Lug Width
20mm
21mm
Material
Stainless Steel
Titanium
Water Resistance
101m
300m

Crystal & Dial

3 specs
Crystal
Domed Sapphire
Sapphire
AR Coating
Inner
Yes
Dial Color
Goldfinch
Black

Movement

3 specs
Caliber
Miyota 9039
9RB1
Type
Automatic
Spring Drive
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$600
$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 Automatic

The Dryden Heartlander Automatic is widely praised for its versatility, comfortable 38mm case that wears smaller than its dimensions suggest, and excellent dial variety. Reviewers highlight its value at $500, noting good finishing, a domed sapphire crystal, and 100m water resistance. The tapering bracelet with solid links is also considered comfortable. One owner notes the crown may protrude slightly and irritate some wearers. On balance, owners and reviewers rate the Dryden Heartlander Automatic highly for its combination of wearability, features, and value.

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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