Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 41mmvsAVI-8 Flyboy Airmaster GMT Automatic

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
Flyboy Airmaster GMT Automatic
AVI-8Flyboy Airmaster GMT Automatic
MSRP $365

At a glance

8 of 29 specs differ
Diameter
OSAR-D (Original SAR with Date) Automatic 41mm41mm
Flyboy Airmaster GMT Automatic40mm
Power Reserve
OSAR-D (Original SAR with Date) Automatic 41mm40h
Flyboy Airmaster GMT Automatic40h
Water Resistance
OSAR-D (Original SAR with Date) Automatic 41mm300m
Flyboy Airmaster GMT Automatic50m
MSRP
OSAR-D (Original SAR with Date) Automatic 41mm$1,800
Flyboy Airmaster GMT Automatic$365

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
41mm
40mm
Thickness
13mm
Lug-to-Lug
43.5mm
Lug Width
18mm
Water Resistance
300m
50m

Movement

1 specs
Caliber
Sellita SW220-1
NH34

Pricing

1 specs
MSRP
$1,800
$365

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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.

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.

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