Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsMarathon MSAR (Medium Search & Rescue) Diver's Automatic

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

Flyboy Airmaster GMT Automatic
AVI-8Flyboy Airmaster GMT Automatic
MSRP $365
MSAR (Medium Search & Rescue) Diver's Automatic
MarathonMSAR (Medium Search & Rescue) Diver's Automatic
MSRP $1,800

At a glance

8 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
MSAR (Medium Search & Rescue) Diver's Automatic36mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
MSAR (Medium Search & Rescue) Diver's Automatic40h
Water Resistance
Flyboy Airmaster GMT Automatic50m
MSAR (Medium Search & Rescue) Diver's Automatic300m
MSRP
Flyboy Airmaster GMT Automatic$365
MSAR (Medium Search & Rescue) Diver's Automatic$1,800

Full specifications

Case

5 specs
Category
GMT
Diver
Diameter
40mm
36mm
Thickness
18mm
Lug Width
18mm
Water Resistance
50m
300m

Crystal & Dial

1 specs
Dial Color
Black
White

Movement

1 specs
Caliber
NH34
Sellita SW200-1

Pricing

1 specs
MSRP
$365
$1,800

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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.

AVI-8 Flyboy Airmaster GMT Automatic

Owners widely praise the AVI-8 Flyboy Airmaster GMT Automatic for its robust build quality, intricate three-timezone function, and crisp dial texture. The watch is noted for its wearable 41mm case size and 48.5mm lug-to-lug, with an internally positioned GMT complication that maintains a clean dial appearance. Some owners report the stock leather strap feels cheap and limits strap changing options. On balance, owners rate the AVI-8 Flyboy Airmaster GMT Automatic highly for its solid finishing and value, particularly highlighting the dial's depth and texture.

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.

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