Side by side

Marathon MSAR (Medium Search & Rescue) Diver's AutomaticvsGruppo Gamma Field III GMT

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
Field III GMT
Gruppo GammaField III GMT
MSRP $459

At a glance

14 of 29 specs differ
Diameter
MSAR (Medium Search & Rescue) Diver's Automatic36mm
Field III GMT40mm
Power Reserve
MSAR (Medium Search & Rescue) Diver's Automatic40h
Field III GMT41h
Water Resistance
MSAR (Medium Search & Rescue) Diver's Automatic300m
Field III GMT200m
MSRP
MSAR (Medium Search & Rescue) Diver's Automatic$1,800
Field III GMT$459

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
36mm
40mm
Thickness
18mm
14mm
Lug-to-Lug
48.5mm
Lug Width
18mm
22mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
White
Black
Lume
None
Super-LumiNova

Movement

3 specs
Caliber
Sellita SW200-1
Seiko Instruments NH38A
Power Reserve
40h
41h
Complications
None
GMT

Pricing

1 specs
MSRP
$1,800
$459

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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.

Gruppo Gamma Field III GMT

Owners praise the Gruppo Gamma Field III GMT for its look and value, with specific mentions of its sandwich dial and comfortable OEM straps. One owner notes incredible quality for the price across their Gruppo Gamma watches. The watch features a 40mm brushed stainless steel case, box sapphire crystal, and a Seiko NH34A movement with a 41-hour power reserve and stated accuracy of -20~+40 s/day. Some find the lack of a date window a drawback for a GMT, and question its differentiation from other NH34-powered watches. On balance, owners and reviewers find the Gruppo Gamma Field III GMT to be a good value with quality construction for its price point.

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