Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 46mmvsHamilton Khaki Aviation Pilot Pioneer Mechanical

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

OSAR-D (Original SAR with Date) Automatic 46mm
MarathonOSAR-D (Original SAR with Date) Automatic 46mm
MSRP $2,500

At a glance

11 of 29 specs differ
Diameter
OSAR-D (Original SAR with Date) Automatic 46mm46mm
Khaki Aviation Pilot Pioneer Mechanical36mm
Power Reserve
OSAR-D (Original SAR with Date) Automatic 46mm40h
Khaki Aviation Pilot Pioneer Mechanical80h
Water Resistance
OSAR-D (Original SAR with Date) Automatic 46mm300m
Khaki Aviation Pilot Pioneer Mechanical100m
MSRP
OSAR-D (Original SAR with Date) Automatic 46mm$2,500
Khaki Aviation Pilot Pioneer Mechanical$975

Full specifications

Case

6 specs
Category
Diver
Pilot
Diameter
46mm
36mm
Thickness
13mm
9.95mm
Lug-to-Lug
43.5mm
46mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

1 specs
Crystal
Sapphire
Mineral

Movement

3 specs
Caliber
Sellita SW220-1
H-50
Type
Automatic
Manual
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$2,500
$975

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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 46mm

The Marathon OSAR-D (Original SAR with Date) Automatic 46mm is widely regarded as a rugged and legible timepiece, featuring a familiar geometric dial with MaraGlo lume and a white dial with applied hour markers that enhance legibility. Owners and reviewers note its 300-meter water resistance and the reliable Swiss-made Sellita SW200-1 automatic movement with improved shock protection. The watch is described as large, thick, and heavy, with some owners finding it comfortable on the wrist while others note its substantial presence, particularly at a table. Overall, owners and reviewers appreciate the Marathon OSAR-D (Original SAR with Date) Automatic 46mm for its rugged build and excellent legibility.

Hamilton Khaki Aviation Pilot Pioneer Mechanical

Owners widely praise the Hamilton Khaki Aviation Pilot Pioneer Mechanical for its superior fit and finish, clean and unique design, and overall value, with one owner calling it a significant step up in build quality. The watch measures 36mm wide with a 41.7mm lug-to-lug and 12.8mm thickness. Some owners express concern over its mineral crystal, with one noting the bezel's detents are "kinda whatever." On balance, owners rate the Hamilton Khaki Aviation Pilot Pioneer Mechanical highly for its build quality and value proposition.

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