Which is cheaper, the Marathon OSAR-D (Original SAR with Date) Automatic 41mm or the Hamilton Khaki Aviation X-Wind Day Date Auto?

At MSRP the Hamilton Khaki Aviation X-Wind Day Date Auto is the cheaper of the two at $1,375, against $1,800 for the Marathon OSAR-D (Original SAR with Date) Automatic 41mm — a $425 gap before any retailer discounting.

Which is bigger, the Marathon OSAR-D (Original SAR with Date) Automatic 41mm or the Hamilton Khaki Aviation X-Wind Day Date Auto?

The Hamilton Khaki Aviation X-Wind Day Date Auto wears larger at 45mm versus 41mm for the Marathon OSAR-D (Original SAR with Date) Automatic 41mm — a 4mm difference across the dial.

Which has better water resistance, the Marathon OSAR-D (Original SAR with Date) Automatic 41mm or the Hamilton Khaki Aviation X-Wind Day Date Auto?

The Marathon OSAR-D (Original SAR with Date) Automatic 41mm is rated to 300m versus 100m for the Hamilton Khaki Aviation X-Wind Day Date Auto.

Which has a longer power reserve, the Marathon OSAR-D (Original SAR with Date) Automatic 41mm or the Hamilton Khaki Aviation X-Wind Day Date Auto?

The Hamilton Khaki Aviation X-Wind Day Date Auto carries a 80-hour power reserve against 40 hours on the Marathon OSAR-D (Original SAR with Date) Automatic 41mm.

What movement does the Marathon OSAR-D (Original SAR with Date) Automatic 41mm run compared to the Hamilton Khaki Aviation X-Wind Day Date Auto?

Both watches run automatic movements — the Marathon OSAR-D (Original SAR with Date) Automatic 41mm uses the Sellita SW220-1 and the Hamilton Khaki Aviation X-Wind Day Date Auto uses the H-30.

Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 41mmvsHamilton Khaki Aviation X-Wind Day Date Auto

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

Marathon OSAR-D (Original SAR with Date) Automatic 41mm

41mm-original-sar-w-date-osar-d

MSRP $1,800

Hamilton Khaki Aviation X-Wind Day Date Auto

h77735560

MSRP $1,375

At a glance

11 of 29 specs differ

Diameter

OSAR-D (Original SAR with Date) Automatic 41mm41mm

Khaki Aviation X-Wind Day Date Auto45mm

Power Reserve

OSAR-D (Original SAR with Date) Automatic 41mm40h

Khaki Aviation X-Wind Day Date Auto80h

Water Resistance

OSAR-D (Original SAR with Date) Automatic 41mm300m

Khaki Aviation X-Wind Day Date Auto100m

MSRP

OSAR-D (Original SAR with Date) Automatic 41mm$1,800

Khaki Aviation X-Wind Day Date Auto$1,375

Full specifications

Case

7 specs

Crystal & Dial

1 specs

Dial Color

Black

Green

Movement

2 specs

Caliber

Sellita SW220-1

H-30

Power Reserve

40h

80h

Pricing

1 specs

MSRP

$1,800

$1,375

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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.

Fratello

A Blog to Watch

Hamilton Khaki Aviation X-Wind Day Date Auto

Owners widely praise the Hamilton Khaki Aviation X-Wind Day Date Auto for its value, technical aesthetic, and versatile wearability with straps. Reviewers and owners alike highlight its excellent legibility, bold Arabic numerals, and the appeal of its pilot watch design, with many appreciating the 80-hour power reserve. Some owners find the crosswind calculation functions unnecessary, and there are mixed views on the dial's font usage and color matching. Lume is frequently noted as weak, and some find the size large or the left-handed crown and pusher setup uncomfortable. Accuracy figures range from gaining 6 seconds in a few days to approximately -6 seconds per day. Overall, owners rate the Hamilton Khaki Aviation X-Wind Day Date Auto highly for its impressive value and functional pilot watch design.

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