Side by side

Dryden Heartlander AutomaticvsSeiko 5KX

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

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 5KX

Owners widely praise the Seiko 5 Sports SKX series for its strong lume and comfortable wearability, with many noting its compact feel due to a short lug-to-lug length. The NH36 movement's accuracy varies, with typical performance between +/-5 to 10 seconds per day, though some report better. A lack of screw-down crown and ISO certification are noted drawbacks for its water resistance. Some owners find the bracelet to be of cheaper construction with hollow links, and a few have reported quality control issues. The consensus is that the Seiko 5 Sports SKX series offers good value for its price, appealing to those who appreciate its tool-like nature and iconic lineage.

At a glance

12 of 29 specs differ
Diameter
Heartlander Automatic38mm
5KX42.5mm
Power Reserve
Heartlander Automatic
5KX41h
Water Resistance
Heartlander Automatic101m
5KX100m
MSRP
Heartlander Automatic$600
5KX$350

Full specifications

Case

5 specs
Category
Field
Diver
Diameter
38mm
42.5mm
Thickness
11.2mm
13.4mm
Lug Width
20mm
22mm
Water Resistance
101m
100m

Crystal & Dial

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

Movement

3 specs
Caliber
Miyota 9039
Seiko 4R36
Power Reserve
0h
41h
Jewels
0
24

Pricing

1 specs
MSRP
$600
$350
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