Side by side

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

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
Helica
ZelosHelica
MSRP $499

At a glance

8 of 29 specs differ
Diameter
OSAR-D (Original SAR with Date) Automatic 46mm46mm
Helica39mm
Power Reserve
OSAR-D (Original SAR with Date) Automatic 46mm40h
Helica40h
Water Resistance
OSAR-D (Original SAR with Date) Automatic 46mm300m
Helica100m
MSRP
OSAR-D (Original SAR with Date) Automatic 46mm$2,500
Helica$499

Full specifications

Case

5 specs
Diameter
46mm
39mm
Thickness
13mm
10.5mm
Lug-to-Lug
43.5mm
39mm
Lug Width
18mm
20mm
Water Resistance
300m
100m

Crystal & Dial

1 specs
Dial Color
Black
39 - Wave MOP

Movement

1 specs
Caliber
Sellita SW220-1
Miyota 9015

Pricing

1 specs
MSRP
$2,500
$499

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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.

Zelos Helica

Owners widely praise the Zelos Helica for its stunning, often color-shifting dials, with specific mentions of the MoP, slate grey, 'Steel Blue', and red opal variants being particularly captivating and artful. The 39mm case size is noted as fitting well on smaller wrists, and the overall build quality and finishing for the price are frequently highlighted as impressive, with one owner calling it "a lot of watch for the price." Some owners appreciate the novel bracelet designs and full lume dials, while others find the bracelet and clasp edges sharp or the clasp lacking on-the-fly adjustment. Opinions on the date window are mixed, with one owner disliking it. The Zelos Helica Moonphase was considered cluttered by one owner, and its $1K USD price point was felt to be steep by another, though popular variants sold out rapidly. Overall, owners rate the Zelos Helica highly for its striking dial designs and impressive value proposition.

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