Side by side

Dryden Heartlander AutomaticvsSeiko Prospex Sea PADI Special Edition

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

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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.

Seiko Prospex Sea PADI Special Edition

The Seiko Prospex Sea PADI Special Edition is widely praised for its attractive blue and red PADI colors, rich dial aesthetic, and excellent lume that stands out even in dim environments. Owners highlight its robust build quality and excellent bezel action, noting the wave dial is a favorite. However, the Hardlex crystal and the 4R36 movement's accuracy range of +45 to -35 seconds per day are identified as compromises for the price. Some owners find the diver's extension difficult to open and the bracelet adjustment challenging, though manageable. On balance, owners and reviewers rate the Seiko Prospex Sea PADI Special Edition highly for its build quality and striking dial design at its price point.

At a glance

12 of 29 specs differ
Diameter
Heartlander Automatic38mm
Prospex Sea PADI Special Edition41.7mm
Power Reserve
Heartlander Automatic
Prospex Sea PADI Special Edition41h
Water Resistance
Heartlander Automatic101m
Prospex Sea PADI Special Edition200m
MSRP
Heartlander Automatic$600
Prospex Sea PADI Special Edition$650

Full specifications

Case

5 specs
Category
Field
Diver
Diameter
38mm
41.7mm
Thickness
11.2mm
12.3mm
Lug-to-Lug
46mm
49.5mm
Water Resistance
101m
200m

Crystal & Dial

3 specs
Crystal
Domed Sapphire
Hardlex
Dial Color
Goldfinch
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Miyota 9039
Seiko 4R35
Power Reserve
0h
41h
Jewels
0
23

Pricing

1 specs
MSRP
$600
$650
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