Side by side

Marathon MSAR (Medium Search & Rescue) Diver's AutomaticvsZelos Spearfish 3

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

MSAR (Medium Search & Rescue) Diver's Automatic
MarathonMSAR (Medium Search & Rescue) Diver's Automatic
MSRP $1,800
Spearfish 3
ZelosSpearfish 3
MSRP $749

At a glance

8 of 29 specs differ
Diameter
MSAR (Medium Search & Rescue) Diver's Automatic36mm
Spearfish 340mm
Power Reserve
MSAR (Medium Search & Rescue) Diver's Automatic40h
Spearfish 340h
Water Resistance
MSAR (Medium Search & Rescue) Diver's Automatic300m
Spearfish 3200m
MSRP
MSAR (Medium Search & Rescue) Diver's Automatic$1,800
Spearfish 3$749

Full specifications

Case

5 specs
Diameter
36mm
40mm
Thickness
18mm
11.5mm
Lug-to-Lug
40mm
Lug Width
18mm
20mm
Water Resistance
300m
200m

Crystal & Dial

1 specs
Dial Color
White
Diver - Forged Carbon

Movement

1 specs
Caliber
Sellita SW200-1
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 MSAR (Medium Search & Rescue) Diver's Automatic

The Marathon MSAR (Medium Search & Rescue) Diver's Automatic is lauded for its utilitarian, no-nonsense design, exceptional tritium lume for visibility, and comfortable 41mm wearability. Reviewers highlight its robust build, meeting ISO 6425 dive watch standards and approved for military use, demonstrating durability during demanding activities. One reviewer notes the stock rubber strap requires modification for a proper fit. Overall, reviewers rate the Marathon MSAR (Medium Search & Rescue) Diver's Automatic highly for its focus on utility and ruggedness at its price point.

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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