Side by side

Dryden Heartlander SolarvsSeiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition

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

Heartlander Solar
DrydenHeartlander Solar
MSRP $279

At a glance

13 of 29 specs differ
Diameter
Heartlander Solar38mm
Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition42.6mm
Power Reserve
Heartlander Solar40h
Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition72h
Water Resistance
Heartlander Solar101m
Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition300m
MSRP
Heartlander Solar$279
Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition$3,900

Full specifications

Case

6 specs
Category
Field
Diver
Diameter
38mm
42.6mm
Thickness
11mm
14.1mm
Lug-to-Lug
46mm
49.3mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
101m
300m

Crystal & Dial

3 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
8L45
Power Reserve
40h
72h
Jewels
25
35

Pricing

1 specs
MSRP
$279
$3,900

Follow this matchup

Get a note when Dryden Heartlander Solar vs Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition gets more votes, a community discussion, or a price drop. No account needed.

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.

Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition

The Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition is praised for its distinctive blue sea ice-inspired dial with a gradient effect and textured finish, celebrating its partnership with JAMSTEC. It is powered by the automatic Calibre 8L45 movement, which provides a 72-hour power reserve. The watch features a 42.6mm stainless steel case with a super-hard coating, a ceramic bezel, and a dual-curved sapphire crystal, offering 300m water resistance. Accuracy is rated between -5/+10 seconds per day. Overall, reviewers highlight the unique dial design and robust specifications as key strengths of the Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.