Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 41mmvsZelos Spearfish 3

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

OSAR-D (Original SAR with Date) Automatic 41mm
MarathonOSAR-D (Original SAR with Date) Automatic 41mm
MSRP $1,800
Spearfish 3
ZelosSpearfish 3
MSRP $749

At a glance

8 of 29 specs differ
Diameter
OSAR-D (Original SAR with Date) Automatic 41mm41mm
Spearfish 340mm
Power Reserve
OSAR-D (Original SAR with Date) Automatic 41mm40h
Spearfish 340h
Water Resistance
OSAR-D (Original SAR with Date) Automatic 41mm300m
Spearfish 3200m
MSRP
OSAR-D (Original SAR with Date) Automatic 41mm$1,800
Spearfish 3$749

Full specifications

Case

5 specs
Diameter
41mm
40mm
Thickness
13mm
11.5mm
Lug-to-Lug
43.5mm
40mm
Lug Width
18mm
20mm
Water Resistance
300m
200m

Crystal & Dial

1 specs
Dial Color
Black
Diver - Forged Carbon

Movement

1 specs
Caliber
Sellita SW220-1
La Joux-Perret G100

Pricing

1 specs
MSRP
$1,800
$749

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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 41mm

The Marathon OSAR-D (Original SAR with Date) Automatic 41mm is noted for its highly legible white dial with applied hour markers and a functional date magnifier, emphasizing its tool-watch purpose. Its Swiss-made Sellita SW200-1 movement is considered reliable and serviceable. One reviewer found the bracelet lacked refinement and preferred the rubber strap option. Overall, owners and reviewers appreciate the Marathon OSAR-D (Original SAR with Date) Automatic 41mm for its excellent legibility and robust movement.

Zelos Spearfish 3

The Zelos Spearfish 3 is widely praised for its exceptional finishing, with razor-sharp polish and flawless brushed transitions that owners feel exceed its price point. The 40mm case is noted for its wearability, and the La Joux-Perret G100 movement offers a 68-hour power reserve, with reported accuracy averaging +2.6 seconds per day. Reviewers highlight the exceptionally smooth bi-directional bezel and a tool-less micro-adjustment clasp described as best-in-class among microbrands. The sapphire sandwich construction and lumed bezel are also cited as desirable features. Overall, owners and reviewers rate the Zelos Spearfish 3 highly for its outstanding finishing and value at its price point.

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