Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 46mmvsDryden Heartlander Solar

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

OSAR-D (Original SAR with Date) Automatic 46mm
MarathonOSAR-D (Original SAR with Date) Automatic 46mm
MSRP $2,500
Heartlander Solar
DrydenHeartlander Solar
MSRP $279

At a glance

8 of 29 specs differ
Diameter
OSAR-D (Original SAR with Date) Automatic 46mm46mm
Heartlander Solar38mm
Power Reserve
OSAR-D (Original SAR with Date) Automatic 46mm40h
Heartlander Solar40h
Water Resistance
OSAR-D (Original SAR with Date) Automatic 46mm300m
Heartlander Solar101m
MSRP
OSAR-D (Original SAR with Date) Automatic 46mm$2,500
Heartlander Solar$279

Full specifications

Case

6 specs
Category
Diver
Field
Diameter
46mm
38mm
Thickness
13mm
11mm
Lug-to-Lug
43.5mm
46mm
Lug Width
18mm
20mm
Water Resistance
300m
101m

Movement

1 specs
Caliber
Sellita SW220-1

Pricing

1 specs
MSRP
$2,500
$279

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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.

Marathon OSAR-D (Original SAR with Date) Automatic 46mm

The Marathon OSAR-D (Original SAR with Date) Automatic 46mm is widely regarded as a rugged and legible timepiece, featuring a familiar geometric dial with MaraGlo lume and a white dial with applied hour markers that enhance legibility. Owners and reviewers note its 300-meter water resistance and the reliable Swiss-made Sellita SW200-1 automatic movement with improved shock protection. The watch is described as large, thick, and heavy, with some owners finding it comfortable on the wrist while others note its substantial presence, particularly at a table. Overall, owners and reviewers appreciate the Marathon OSAR-D (Original SAR with Date) Automatic 46mm for its rugged build and excellent legibility.

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.

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