Side by side

Marathon MSAR (Medium Search & Rescue) Diver's AutomaticvsFormex Reef 42 mm

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
Reef 42 mm
FormexReef 42 mm
MSRP $2,414

At a glance

10 of 29 specs differ
Diameter
MSAR (Medium Search & Rescue) Diver's Automatic36mm
Reef 42 mm42mm
Power Reserve
MSAR (Medium Search & Rescue) Diver's Automatic40h
Reef 42 mm56h
Water Resistance
MSAR (Medium Search & Rescue) Diver's Automatic300m
Reef 42 mm300m
MSRP
MSAR (Medium Search & Rescue) Diver's Automatic$1,800
Reef 42 mm$2,414

Full specifications

Case

5 specs
Diameter
36mm
42mm
Thickness
18mm
11.4mm
Lug-to-Lug
47mm
Lug Width
18mm
22mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

2 specs
Dial Color
White
Black
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
Sellita SW200-1
Sellita SW300-1
Power Reserve
40h
56h

Pricing

1 specs
MSRP
$1,800
$2,414

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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.

Formex Reef 42 mm

The Formex Reef 42 mm is widely praised for its comfortable bracelet featuring a micro-adjust clasp, COSC-certified Sellita movement, and excellent build quality. Owners appreciate the gradient dial's visual appeal and the overall wearability. Some owners note the seconds hand does not perfectly align with markers, and one owner found the lugs' taper hinders third-party strap fit. The bracelet's length and sporty design are noted as limiting versatility by some. On balance, owners and reviewers rate the Formex Reef 42 mm highly for its impressive wearability and value at the price point.

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